标签:satellite 相关文章
rumor -传闻,谣言 rural -农村的 rust-铁锈,(使)生锈 sack -麻袋,包,解雇 sacrifice -牺牲,舍身 saddle-马鞍,车座 sailor -水手,海员 saint -圣徒,圣人 sake -缘故,理由 salad-色拉 salary -薪金,薪水 sample -样品,抽样 sanction -批准,认可 satellite-卫星,人造卫星
Aqua Spacecraft 水资源监测太空船 NASA's latest and most ambitious weather satellite is measuring Earth's water cycle. Learn more about the Aqua satellite -- today on Earth and Sky. DB: I'm Deborah Byrd. JB: And I'm Joel Block for Earth and Sky. This
Weather Predictions Expected to Improve with New U.S. Satellite 美国新卫星有望改善天气预报 A new American weather satellite could save more lives by better predicting extreme weather conditions. 一颗新的美国气象卫星能够通过更
Hello and Welcome to News and Reports on China Radio International. In This EditionThe UN Security Council deplores the satellite launch by North Korea, stressing that it violates Security Council resolutions banning the country to use ballistic tech
1. President Bush says the sacrifices of American troops have laid the foundation for peace for generations to come. His statements come as the death toll in Iraq hit 4000. The President made his comments at the State Department after a two-hour lon
Tonight intelligence agencies from Washington to Soule are closely watching this facility,North Korea's top secret satellite launching station at Tongchangwi.A US official tells CNN that in recent days satellite images has revealed personel, equipmen
Hey,I'm CL.This is cnn students news.We get a great weekend.We have a lot to cover.We pick off for the last week of September,starting with the race for the White House. With voters heading to the poll next year,President Obama was likely to be the c
By David McAlary The U.S. space agency, NASA, launched a satellite Saturday that scientists hope will help them locate the sources of mysterious gamma ray explosions, the brightest most energetic burs
Delay - This is the wait time between to specific events, and regarding satellite communications, it is the time it takes for a signal to go from the transmission station up to orbit and through the s
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.
Analog - Transmitting information that is characterized by continuously variable quantities (such as with AM or FM). This is different from digital transmission, which is characterized by discrete bit
Scientists Create New Maps of Ocean Floor 科学家绘制新的海底地图 Until recently, scientists had mapped only about 20 percent of the sea floor. But our knowledge of the deep seas is changing because of information from satellites. Scientist
January 31, 1958,America enters the Space Age successfully launching its first satellite into orbitExplorer 1.It happens just months after the Soviet Union launches Sputnik-the very first satellite into orbit. 2001 A Libyan intellingence officer is c
NASA has accomplished another first. I guess my summary is really cool. Today we kicked up some moon dusts and all indications are.. its going to be a very interesting set of results. As we, uh, approach very rapidly the surface of the Cabeus crater.
Wk 40 (4 October 1957) First Satellite Launched Into SpaceThis Week in HistoryThe USSR launches Sputnik 1, the first artificial satellite to orbit the earth. In 1957, the world was surprised to see the Soviets launch the first satellite into orbit, w
The amount of debris orbiting the Earth has reached a tipping point for collisions, which would in turn generate more of the debris that threatens astronauts and satellites, according to a US study released on Thursday。 NASA needs a new strategic p
The first quantum communications satellite developed by China is expected to launch in July of this year. The BeijingShanghai quantum private communications line will also be opened in the second half of this year, according to Pan Jianwei, academic
China will conduct more than 20 space missions this year, including a manned one and the maiden flights of two rockets, according to the nation's major space contractor. 中国航空科技集团公司表示,今年中国宇航发射次数将首次突破
Galaxy 银河美国电视中继卫星 Galileo 伽利略美国木星探测器 Gals 航向前苏联国内军政通信卫星 Gambit 策略美国照相侦察卫星 Gamma 伽玛前苏联伽玛射线天文卫星