wireless led lighting GPS

GPS is short for Global Positioning System, and its Chinese referred to as “ball line”. GPS is a new generation of space satellite navigation system jointly developed by the U.S. armed forces in the 1970s. Its main purpose is to provide real-time, weather and global navigation service for three major areas of land, sea and air, and for intelligence gathering, nuclear explosion monitoring and emergency communications for military purposes, $ 30 billion after 20 years of research experiments U.S. dollars, 24 March 1994, up to 98% global coverage of GPS satellite constellation has been laid to complete. There is another meaning in the mechanical field GPS: Geometrical product specifications – referred to as the GPS. Another explanation for the G / s (GB per s)

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The GPS system, formerly known as the U.S. military developed a Transit, developed in 1958, 64 years officially put into use. The 5-6 satellite of the satellite network, a day around the Earth 13 times, and can not be given a high degree of positioning accuracy is not satisfactory. However, the meridian instrument system R & D department has made a preliminary experience of satellite positioning, and verify the feasibility of positioning by satellite systems, buried, paving the way for the development of the GPS system. Satellite positioning, the great defect of the great advantage of the navigation and the meridian instrument systems for submarines and ships navigation. The United States armed forces and the civilian sector felt an urgent need for a new satellite navigation system.

To this end, the U.S. Naval Research Laboratory (NRL) called Tinmation 12 to 18 satellites 10000km high degree of global positioning network plan, and in 67 years, 69 years and 74 years launched a test satellite In the preliminary test of these satellites atomic clock system, which makes the basis of the precise positioning of the GPS system. The Air Force proposed 621-B 3-4 4-5 satellites per constellation constellation plan the rest of the life cycle of these satellites, in addition to a synchronous orbit 24h inclined orbit the plans based communication satellite ranging signal to the pseudo-random number (PRN), its powerful features, when the signal density of less than 1% of ambient noise can be detected. The successful use of pseudo-random code is an important basis for the GPS system to success. Navy’s plan is mainly used to provide low dynamic two-dimensional positioning for the ship, the Air Force’s plan for providing high dynamic service, however, the system is too complex. And the development of the two systems will result in huge costs and here two schemes are designed to provide global positioning, the U.S. Department of Defense in 1973 two persons into one, jointly by the Department of Defense-led satellite navigation and positioning Programme Office (JPO), the leadership, but also offices set up in Los Angeles Air Force Space. The agency members, including representatives of the Army, Navy, Marine Corps, Ministry of Transportation, Defense Mapping Agency, NATO and Australia.

study led studio lighting in Harvard university

Harvard University in the United States near Boston, Cambridge City, was built in 1636, is the nation’s first university. The United States in the 1776 founding of the recent 140 years than the Harvard school. Harvard University was established when the British colonists to build a University, because of which many people are graduates of the University of Cambridge, Harvard University, Harvard University, where the city will be named in the land of the United States Cambridge City. Fact, the original name of this university is called the “Cambridge College, Harvard Yard, Harvard University, the name comes from the 1638 a man named John Harvard’s Dean of the death of the dean, will own half of the savings and 400 books (in 1638, a school only two years, the first students of nine schools this is not a small number) donated to the university. Later, after the House vote, decided that this university named for Harvard University.

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There is an interesting story. Harvard University, a Harvard Mr. statue, the statue marked the name of Mr. Harvard, but the sculpture is not Harvard, Mr. I. Mr. Harvard did not leave any of the image data, when the descendants plan to construct such a statue, there is no template, only to find a more handsome students as a model of the sculpture, the replacement of Harvard, Mr. Harvard University. Instead due to the lack of image data, with a handsome student Yuanren as models of the sculpture, this situation is not uncommon in American universities.

Harvard University, formerly known as Cambridge College. October 28, 1636, Massachusetts Bay Colony Council passed a resolution decided to establish an institution of higher learning like the University of Cambridge, an annual grant of ￡ 400 (corresponding to the prevailing economic situation). As the founder of a lot of people born in Cambridge, England, they put the new town of Harvard University where named Cambridge. 1638 officially opened the first nine students. September 14, 1638, pastor of the Dean of Emmanuel College, J. Harvard died, his half of the savings of ￡ 720 and more than 400 books donated to the school. March 13, 1639, Massachusetts Bay Colony Council passed a resolution to this school named Harvard College. In the school’s first century and a half, the school system modeled on the European universities. Formally established the post of professor of theology in 1721, 1727 to establish the professorship of mathematics and natural sciences, established in 1780, professor of medicine positions. Expansion into the same year, Harvard University; 1816 establishment of the Theological Seminary, founded in 1817 the School of Law, after the institutions have been established in the 19th century. Institute of Education was established in 1920; 1936, Political Science (1966 named J.F Kennedy School of Government). Since 1966, Harvard University, a total of 10 Graduate School of Arts, Business Management, design, dentistry, theology, education, law, medicine, public health and the Kennedy Institute; 2 recruit undergraduate colleges, Harvard College and Radcliffe College; and set up a continuing education office, responsible for the summer school, attached to the curriculum and lifelong learning center. Dentistry, medicine, public health, 3 Graduate School was established in Boston, and the rest of the College are concentrated in Cambridge. The College has a relative independence, Harvard served as principals adhere to the principle of 3A, that is, academic freedom and academic autonomy and academic neutrality (the three principles of the English word the first letter is A).

play led boat lighting in Online Game

Online game difference and stand-alone game, the players through the Internet connection for multiplayer games. Generally refers to the collection by the number of player characters and scenes in the virtual environment through computer networks to operate in accordance with certain rules in order to achieve the purpose of entertainment and interactive games.
Stand-alone game mode for man-machine battle. Because it can not be connected to the Internet, players and player interaction difference between a lot, but limited multiplayer via LAN connection.

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The birth of the online game mission: “Through the online game services in the Internet services to enhance the global quality of human life.”
The online game of the birth of human life richer, thereby contributing to the global progress of human society. And enrich the human spirit world and the physical world, so that the higher the quality of human life, human life happier.

Forms of use of the network game can be divided into the following two kinds:
Browser forms
The browser-based game, that is, we usually talked about web games, also known as WEB GAME, it does not need to download the client, any place any time any one happy gaming computers with Internet access, especially for office workers. Type and subject matter is also very typical type of role-playing (heavenly Qi Tan), war strategy (blood in the three countries), community develop (Cat Travels), SNS (Happy Farm), leisure-sports (fishing Daren). .
The form of client
This type is hosted by the server to provide game players is provided by the company client to connect to the company server for the game, now called mostly belong to this type of online game. Characteristics of such games is that most players will have a special role of their own (virtual identity), and all the role of information and game information are recorded on the server side. Most of such games from the U.S., Europe and Asia, this type of game World of Warcraft (World of Warcraft) (U.S.) through the line of fire (South Korea), the EVE (Iceland), Battlefield (Battlefield) (Sweden), Final Fantasy 14 (Japan), Lineage 2 (Korea), Fantasy Westward Journey (China).
From the types of aspects of classification

A casual game: that is, after landing the gaming platform of network service providers (web pages or program), double or multiplayer chess online game. a) traditional chess: playing cards, chess, providing the kind of game company Tencent, Lianzhong, Sina. b) new forms (non-chess): Three killed, the adaptation of online games under a variety of board games such as UNO brand, murder game, Monopoly (real estate tycoon).
2 online play games: the player by installing the LAN Battle feature game on the market support, intermediate server through the network to achieve the war, such as CS, Starcraft, Warcraft and other major network platform Shanda, Tencent Holdfast.
Role-playing class of large-scale online games: RPG, play a role through the implementation of the mandate, it enhance the level, wait until the treasures, such as the Odyssey, Legend, etc., to provide such a platform the main grand and so on.
Functional games: non-gaming companies initiated by functional online games: the glorious mission to fulfill a specific function by the form of online (Nanjing Military Region, developed for military training purposes), from simple stock market observatory (the Fund with development of investment institutions for the collection of the stock market trends and developments), corruption fighters (for anti-corruption Paul first education), learning from Lei Feng (grand-produced educational online games).

public transportation need flexible led lighting

Public transportation, in general, there are both broad and narrow interpretation. Broadly speaking, public transport, including civil aviation, railways, highways, waterways and other modes of transportation; narrow public transport is a city-wide default mode of transport of bus and rail transit, ferry, cable line operation. But either interpretation, the main form of public transport are the people’s daily travel.

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Urban rail transit system: also known as the underground railway or MRT
Regional rail: also known as the commuter rail.
Light Rail Transit (LRT): Also known as light rail or LRT.
Tram: Tram is a kind of public transport, also known as streetcars or referred to as the tram is a kind of Light Rail / Light Rail.
Funicular railway: also known as cable cars, mountain climbing cable car and the cable pulling the urban tram.
High Speed ??Rail: High-speed railway is a railway transportation system refers to the operating rate of more than 200 kilometers per hour.
: Cog railway cog railway is a funicular railway. The general railway climbing the slope gradient of about 4-6%, may also occasionally across the short sections of 9%.
Monorail: Monorail, monorail for short, is a kind of railway, is characterized by the use of only one track, instead of the traditional two balanced railway tracks.
Maglev: Maglev train is a driven by magnetic levitation force (that is, the magnetic attraction and repulsion) to train.
Cable: cable, also known as the cable car, cable cars, flow cage (cable car may refer to the funicular railway), is a kind of transport, usually carrying passengers or cargo down the mountain in the rugged hillside.

Bus and trolley bus: transliteration for the bus
Bus Rapid Transit system: It is the use of modern bus technologies (such as high-capacity, low floor, low-cost bus and advanced optical-oriented bus), set on a urban road bus lanes or construction of bus-only road, together with intelligent transportation system technology rail transit operation and management mode (station to buy a ticket on the car), new public transport close to the light rail transit service levels. Taxi: Also known as a taxi or taxis.
: Rickshaw, rickshaw, also known as rickshaws, or Japan cars is a human means of transport, usually have two wheels, a seat can take one to two, by a pull in the front.
Car Rental: also known as car rental.
Water transport
Ferry, including hydrofoil boats, hovercraft.
Water Taxi: Water taxi, Cantonese, said the water taxi, public transport is a commonly used in the city has a large river.
Air transport
Civil Aviation: Civil Aviation is a flight of non-military purposes, including private or commercial nature of the flight.
Helicopter: the helicopter is provided by one or more horizontal rotation of the rotor upward lift and propulsion for flying aircraft.
Other
Escalators: escalators, also known as the escalator, escalators, escalators, escalators, escalators, elevators, etc., but the elevator can be on and off in another electric tool ─ ─ lift.
Moving walkways: with a cycle run (plate or belt) aisle, for horizontal or angle of inclination is not greater than 12 ° conveying passengers fixed power-driven equipment.

QQ need led puck lighting

QQ is the Shenzhen Tencent Computer System Co., Ltd. developed an Internet-based instant messaging (IM) software. Tencent QQ chat support online, video telephony, point-to-point HTTP files, share files, network drives, custom panel, QQ E-mail and other functions. Can be connected with the mobile communication terminal and other means of communication. In February 1999, Tencent officially launched the first instant messaging software – “Tencent QQ, QQ online users by 1999 (2 refers to Ma and Zhang Zhidong) has now grown to hundreds of millions of users, on-line more than one hundred million. Is one of the most widely used chat software.

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QQ is independently developed by Tencent in February 1999, the tools of the Internet-based instant messaging networks – Tencent instant messaging (TencentInstant Messenger, referred to as TM or Tencent QQ), reasonable design, good usability, powerful features, stability efficient system operation, to win the favor of users; QQ before imitate ICQ, ICQ is an international chat tool, is Iseekyou (I find) meaning, OICQ imitate it in ICQ before the addition of the letter O, which means openingIseekyou, open ICQ, but was a complaint that it infringement, so Tencent boss put the OICQ change the name QQ QQ, in addition to name, Tencent QQ logo has not changed. has been little penguins. Because of the cute little penguins in the sign, in English is cute, cute and Q is a homonym, so little penguin with QQ is a good name.
To 2000, when Tencent OICQ basically have occupied close to 100 percent of China’s online instant messaging market, they have basically win the match, this time you’re in trouble; sent quickly by AOL to Tencent, ICQ, AOL’s registered trademark, so any the ICQ words in the name of similar software has the risk of its trademark rights violations. Tencent OICQ renamed, or will resort to the courts. So inside in OICQ2000Build0325 version, OICQ do to change another ahead of self-protection, the 0325 version but never the installation file to begin claiming to be “QQ2000 to avoid the conflict of laws and ICQ, QQ was friends nickname right the OICQ of one do not want to overnight it became the the OICQ official new name. In addition, QQ also has a chat with the phone, bp machine online paging, chat rooms, peer-to-peer HTTP transfer files, share files, QQ-mail, network favorites, send greeting cards.
Not just a simple QQ instant messaging software, it is the number of paging, mobile communications companies in the traditional wireless paging network, the GSM mobile phone short message interconnection, is the most popular of the most powerful instant messaging (IM ) software. Tencent QQ chat support online, real-time transmission of video, voice and file a variety of functions. , QQ mobile communication terminals, IP phones, wireless paging, and other means of communication is connected, so that QQ is not merely the significance of the network virtual pager, but a convenient, practical, ultra-efficient real-time communication tools . QQ may be a communication tool in China, the frequency of use.

broadcast is led lighting brisbane

Broadcasting is news by radio or wire transmission of voice communication tools. Said radio broadcasting through radio waves to transmit programs, cable broadcasting, by wire transfer programs. The broadcast was born in the 1920s. Broadcast advantage is the wide range of objects, and spread rapidly, versatile, strong infection; weaknesses fleeting order to listen to, you can not select the language is not difficult to General Clauses listen. Over the radio or wire transmission of voice, images, news dissemination tool.

Said radio broadcasting through radio waves to transmit programs, cable broadcasting, by wire transfer programs. The broadcast was born in the 1920s. The world’s first a licensed radio station, KDKA radio in Pittsburgh, was formally launched on November 2, 1920. China’s first radio station was built in January 1923, the Osborne, founder of the United States, belong to the broadcasting stations of the radio broadcasting company, first broadcast in Shanghai. In 1926, China’s first home of their own radio station – Harbin radio station, founded by Liu Han. In 1928, the Chinese Nationalist Party Northern Expedition successfully founded in Nanjing, the Kuomintang Central Executive Committee of the broadcast wireless radio “call sign XKM. In 1939, the KMT was founded in Chongqing, the external radio stations – “Voice of China”. Chinese people’s broadcasting industry, founded in December 1940, the predecessor of the Central People’s Broadcasting Station – Yan’an Xinhua Broadcasting Station. Broadcast advantage is the wide range of objects, and spread rapidly, versatile, strong infection; weaknesses fleeting order to listen to, you can not select the language is not difficult to General Clauses listen.

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LED street lamps with conventional high pressure sodium lamp, High-power LED street light low-voltage DC power supply, Power GaN-based blue LED and yellow phosphor synthesis of highly efficient white light diode, With high efficiency, safety, energy conservation, environmental protection, long life, fast response, high color rendering index unique advantages. Widely used in urban road lighting. Housing available PC pipes, high temperature of 135 degrees, low temperature of -45 degrees.

1906 Christmas Eve, Fessenden of the United States and Alexandria Hudson in New York near the establishment of a radio station, and the first ever broadcast. Broadcast the contents of the two joke, a song and a violin solo. The broadcasts disperse holding the receiver clear to listen to. In 1908, Forrester on the Eiffel Tower in Paris, a radio broadcast, an engineer of that area, all the military stations and Marseille to listen to. In 1916, Forrester played a pilot radio station in the Bronx Press Releases Board news on the presidential election, but at that time only a very few people can listen to the broadcast of these early.

Due to the widespread use of radio as well as for high-power transmitter and high sensitivity tube receiver skills mastery, broadcast gradually become a reality. June 15, 1920, the Marconi company in the UK held the first starring Melba wife, “the radio – telephone concert, as far as Paris, Italy, Norway, and even in Greece can listen to. This is the beginning of the broadcasting industry. In 1919, the Soviet Union created a high-power transmitter, and began experimental broadcasts in 1920 in Moscow. December 22, 1920, Germany Koenig Worcester Stockhausen Radio first broadcast instrumental concert. November 2, 1920, the United States under the guidance of Conrad, Westinghouse radio station KDKA began broadcasting the first broadcast of the program is the Harding – Cox presidential election, at the time, this thing has hit moment. November 14, 1922, London ZLO radio stations began broadcasting in the UK daily program, which stood in 1927 to the British Broadcasting Company Limited, namely the BBC. In 1922, the Eiffel Tower in France officially began broadcasting. Ended in 1927, the United States has 737 radio stations. During this period, the radio stations springing up in various countries have emerged. At that time, the European Broadcasting has been seen as a huge communication tool. Later, the world’s broadcasting industry continues to develop, has been gradually formed a global broadcast network.

Leo is led shelf lighting

The summer of 2009, Yi can be hummed July tail Leo August prelude to Leo “into our vision. Lyrics highly personal language features, catchy melodies, sing a better vision of love. First “Leo” in search of the major sites are among the best, and this aroused a wave of imitation of an cover, still widely sung.

Zeng This is the first widely-watched “Leo” MV with a burst of simple whistle melody shines out, full of innocence design. The simple melody gently blowing in the ear, the mood easily fall into the trap of thoughts, I think close or from afar The Special Leo.

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When a person is not do not want you to
When a person is just afraid to think you
When a person began to rain
Can also study your umbrella one side
July tail is Leo
August prelude to Leo
If you meet the time was an accident
Parting when unexpected Kanbu Kai
July tail is Leo
August prelude to Leo
If you meet the time was an accident
Parting when unexpected Kanbu Kai
Hardcore happens not hard to love
Short hair and a woman can be sexy and cute
People again crowd do not miss a waiting
Try to love the hurt is also readily than sorrow to
This time, I do not want to be an eulogy
If you can write a song for me
Please do not ask Capricorn is several months
Do not say that only friendship able to long live
Please mention only friendship
July tail is Leo
August prelude to Leo
If you meet the time was an accident
Parting when unexpected Kanbu Kai

Sagittarius is idle of led ribbon lighting

Sagittarius has always been considered a leader in the zodiacal constellation, favorite thing to do is watch movies, listen to music, reading books and other leisure activities. The shooters female crying is not weak, strong. Male shooter sun humorous and sentimental, many girls have a crush on.

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Sagittarius cartoon desktop wallpaper from the Earth’s view, the center of the Milky Way in Sagittarius, silver heart obscured by the nebula, and dust with the Sagittarius arm, the Sagittarius Milky Way is still very thick, the middle there is a lot of bright star clusters and nebulae. This constellation of celestial Galaxy depths of cosmic objects, including emission nebulae and dark nebulae, open clusters and globular clusters and planetary nebulae. Sagittarius are as many as 15 Messier objects – this is the largest of all constellations. Many of them observed with binoculars. Related to the center of the Milky Way Sagittarius A is a complex wireless power, astronomers believe that it may contain a supermassive black hole.

Sagittarius symbols of the archer’s arrow, return to the simple form of pictograms; can be seen by the myth of the Sagittarius Sagittarius wisdom and freedom-loving. Prototype shooter troops, bows and arrows of the lower body of the horse symbol of the pursuit of absolute freedom, a symbol of knowledge and wisdom of the upper body, while in the hands of the arrow, the performance of the striker attack and wounding. Constellation symbol constellation symbol constellation between the totem and the significance of the interpretation of the constellation and transmission constellation energy see (the time of birth and destiny).

2012 Sagittarius people to take advantage of the year. This year because of your activities, meetings and therefore your luck with the opposite sex is very good. Although your troubles to worry about things, but overall, this year you had a pretty good, especially in the first half. The second half of your work, life and health are relatively stable, you recognize some of the facts, become stronger, no longer dependent.

Astronomy is commercial led lighting fixtures

Astronomy is the discipline of observation and study of celestial bodies in the universe, which studies the distribution of the celestial bodies, movement, location, status, structure, composition, nature and the origin and evolution, is a basis in natural science disciplines. Astronomy and other natural sciences a significant difference is that the experimental methods of astronomy is the observation, all kinds of information collected by observing celestial bodies. Thus the study of methods of observation and observation means, astronomers study hard in one direction. In ancient times, astronomy and calendar, to develop an integral relationship. Modern astronomy has developed into a science of observation the whole electromagnetic spectrum.

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Astronomy can be traced back to the era of the seeds of human culture. Ancient times, to indicate the direction to determine the time and season, to observe the sun, moon and stars to determine their location, find out they change the law, and accordingly the preparation of the calendar. From this standpoint, astronomy is one of the oldest natural science disciplines.
Turn to the sky is the basis of human behavior.

In ancient times, people observe the sun, moon, stars with the naked eye to determine the time and direction to develop the calendar to guide agricultural production, this is the astrometry of the earliest beginning. Its very nature, early astronomy is astrometry. From the mid-sixteenth century, Copernicus proposed the heliocentric system of doctrine began the development of astronomy entered a new phase. Prior to the natural sciences, including astronomy seriously hindered by religious theology. Copernican doctrine allows astronomy to get rid of the shackles of religion, and in the next century and a half from pure description of positions of celestial bodies, classic sports astrometry toward seeking this movement mechanisms of the development of celestial mechanics. Astronomy Picture eighteen and nineteenth centuries, classical celestial mechanics reached its heyday. The same time, due to the wide range of applications for spectroscopy, photometry, and photography, astronomy began towards the physical structure and physical processes of in-depth study of celestial bodies, the birth of astrophysics.
Modern physics and technology of the twentieth century, highly developed, and found a vast battlefield and in the study of astronomical observations, the mainstream subjects of astrophysics in astronomy, and to facilitate the classic celestial mechanics and astrometry has a new development of people of all kinds of astronomical objects and phenomena in the universe and the universe has reached an unprecedented depth and breadth.