单词：coverage area of commnication satellite
单词：coverage area of commnication satellite 相关文章
68 科学家正在绘制洪水预报地形图 ENVIRONMENT REPORT September 14, 2001: Weather Maps For Floods （Start at 1'00
自然探索
The Pentagon plans to shoot down a disabled spy satellite to prevent a potential deadly gas leak, officials said. Upon notification of the descending NRO satellite, the President and his national and homeland security advisors reviewed the options a
万花筒2008年
Researchers say that China's domestically-developed Beidou Navigation Satellite System brings the country closer to achieving its goal of building a satellite network with global coverage. The comments were made at the 9th China Satellite Navigation
2018CRI中国国际广播电台
Compatible - When one object can be used interchangeably with another. Composite Baseband - The unclamped and unfiltered output of the satellite receiver's demodulator circuit. It contains all of the
电信英语
Earth Station - The term used to describe the combination of antenna, low-noise amplifier (LNA), down-converter, and receiver electronics that are used to receive a signal transmitted by a satellite.
电信英语
By Cindy Saine Washington 14 February 2008 The Defense Department says it is planning to shoot down a defunct U.S. spy satellite before it is expected to hit the Earth in early March, because of potential danger to human beings from its unburned rock
VOA常速英语2008年（二月）
By Bill Rodgers Washington, DC 13 December 2006 watch News Media Changes Satellite television and the expanding power of the Internet are not only changing the way news is delivered, but also the perception of what news is and the way journalists do
2006年VOA标准英语（十二月）
EXPLORATIONS – Satellite Photos of Mayan Ruins By Paul Thompson Broadcast: Wednesday, February 09, 2005 Paul Thompson VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Faith Lapidus with EXPLORATIONS i
Explorations
Satellites Study Weather Conditions, Predict Diseases 气象卫星研究天气变化可预测疾病 Meningitis is spreading across West Africa. The brain disease is a threat every year across 21 African countries. Health officials call this area, the
2015年VOA慢速英语(五)月
Chinese Worker Killed in Vietnam Protest 越南暴力打砸事件致中国工人遇难 Relations between China and Vietnam were tense this week because of Chinese activity in waters claimed by both sides. Chinese and Vietnamese ships have attacked ea
2014年VOA慢速英语(五)月
Satellite Broadband Aims to Revolutionize African Development Lift-off for the O3b - or Other 3 Billion - satellite system occurred last week in French Guiana. The system goes live later this year when eight satellites will enter a lower orbit to pro
VOA标准英语2013年(七月)
Today, March 12, is the 33rd Arbor Day in China, when the whole nation is involved in the planting campaign. Official statistics show that more than 189 million trees have been planted voluntarily by residents of Beijing over the past 30 years, makin
英闻天下
By Paul Sisco Washington 09 January 2008 Recent satellite data from the U.S. Space agency NASA indicate that sea ice in the Arctic and Greenland is melting at a faster rate than previously projected. VOA's Paul Sisco has the story. Climate scientists
VOA标准英语2008年（一月）
Badar-A 巴达Ａ巴西通信试验卫星 Balloon 气球美国军事卫星 BCTS(Broadcast Communication Technology Sat.) 广播通信技术卫星日本广播通信卫星 Beacon 灯塔美国测地卫星
英文语法词汇
China Eastern Airlines has become the first Chinese carrier to provide Wi-Fi services on both domestic and international flights. According to the Ministry of Industry and Information Technology, the carrier is allowed to use the AsiaSat-6 satellite
英语新闻
BEIJING, May 23 (Xinhua) -- The Ziyuan III satellite, launched on Jan. 9 to produce high-resolution imagery for civilian use, has sent back visual data covering 45.79 million square km of the globe as of May 18, according to an announcement on Wednes
英语新闻
Track one Human have looked at the night sky for as long as we have existed If we have to pick one date for the Space Race to be born it was 4 October 1957 When the Soviet Union launched Sputnik One the World's first satellite Sending a satellite is
英语PK台
U.S. envoy Glyn Davies is calling on North Korea not to carry out a nuclear test. The call comes immediately following North Korea's vow to carry out as well as aim the tests at the US. Whether they will test it or not, we hope they don't, we call on
英闻天下
China Eastern Airlines has become the first Chinese carrier to provide Wi-Fi services on both domestic and international flights. According to the Ministry of Industry and Information Technology, the carrier is allowed to use the AsiaSat-6 satellite
2015CRI中国国际广播电台
Listen to August 3rd 2011 to hear more about the penguin Happy Feet. The Emperor Penguin, named Happy Feet, left the zoo last night. He is on board the ship, Tangaroa. This ship is used by scientists for studying plants and animals in the sea. It is
新西兰英语