单词：nasa tracking and data relay satellite system (tdrss)
单词：nasa tracking and data relay satellite system (tdrss) 相关文章
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初中英语词汇
LOS ANGELES, April 8 (Xinhua) -- NASA's Wide-field Infrared Survey Explorer (WISE) has discovered a rare asteroid that traces out a horseshoe shape relative to Earth, the Jet Propulsion Laboratory (JPL) said on Friday. Unlike most near-Earth asteroid
英语新闻
EXPLORATIONS - NASAs Aquarius Satellite Will Help Scientists Learn About Salt Levels in the Sea STEVE EMBER: Im Steve Ember. DOUG JOHNSON: And Im Doug Johnson with EXPLORATIONS in VOA Special English. Today we tell about an American space agency proj
2011年VOA慢速英语(六)月
Technology Report - Mobile Devices' Location Tracking Raises Privacy Concerns This is the VOA Special English Technology Report. Lawmakers in the United States have expanded an investigation into the use of location-tracking systems on mobile devices
2011年VOA慢速英语(五)月
By David McAlary Washington 21 November 2006 The U.S. space agency NASA says its oldest satellite orbiting Mars has probably ended its career. NASA engineers lost contact with it about three weeks ago and are losing hope of ever hearing from it agai
2006年VOA标准英语（十一月)
PlummetingUSSatellitetoHitEarthFriday NASA launched the Upper Atmosphere Research Satellite (UARS) 20 years ago this month. And now that bus-sized satellite is plunging toward Earth. Mark Matney, an orbital debris scientist at NASA's Johnson Space Ce
VOA标准英语2011年(九月)
National Weather Satellite Threatened by US Budget Cuts On May 22, 2011, a single massive tornado hit Joplin, Missouri, claiming more than 150 lives. But the death toll would have been much higher a century ago. With something of this magnitude, the
VOA标准英语2011年(八月)
New Data Adds to Understanding of 'Black Holes' WASHINGTON Scientists continue to learn more about black holes in space, places where the pull of gravity is so strong that not even light can escape. Black holes occur after supergiant stars explode in
VOA标准英语2016年(九月)
On June 6, China published the first batch of photos captured by Gaofen-1, China's first high-definition earth observation satellite. Those pictures will provide valuable information of natural condition and disaster prevention. Li Dong has the detai
世界各地新闻集锦
WHEN you`re surfing the Internet on your laptop from your dorm or home, do you know your personal details are being gathered secretly? And would you be surprised to know the information may be sold cheaply to advertisers and marketers? 当你在宿舍或
中英双语新闻
Quantum communication boasts ultra-high security as a quantum photon can neither be separated nor duplicated. It is hence impossible to wiretap, intercept or crack the information transmitted through it. Anton Zeilinger, an Austrian physicist at the
2016CRI中国国际广播电台
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.
自然百科2009年
JUDY WOODRUFF: More than 100,000 people turned out for the Consumer Electronics Show in Las Vegas this week, the annual showcase for the latest in technology, devices and high-end toys. One of the big themes was the rising interest in health tech. Ou
PBS访谈健康系列
By CCTV reporte Han Bin The Change-3 lunar probe will be the countrys first attempt at a soft landing on any extra terrestrial surface and the first moon landing by any country in almost 40 years. The extreme distances present new challenges for the
CCTV9英语新闻2013年12月
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
Today we're announcing the discovery of an exoplanet that as far as we can tell is a pretty good close cousin to the earth and our sun An historic moment in NASA's epic pursuit of earth-like planets, as the newly discovered Kepler-452b was officially
阅读空间
XICHANG, Sichuan, July 12 (Xinhua) -- China blasted off a new data relay satellite Tianlian I-02 on Monday at the Xichang Satellite Launch Center in southwest Sichuan Province . The satellite was launched on a Long March-3C carrier rocket at 11:41 p.
英语新闻
Have you ever wondered why sweets are always by the till in supermarkets? Why you are made to walk down many aisles to reach the everyday essentials at the back of the shop? Retailers are always coming up with new tactics to get us impulse buying. Th
英语听力精选进阶版
The State Administration of Science, Technology and Industry for National Defense released 17 pictures captured by Gaofen-4 on Wednesday, covering an area of at least 400 kilometers. The project's chief designer, Tong Xudong, said Gaofen-4 is in good
2016CRI中国国际广播电台