单词：orbital environment
单词：orbital environment 相关文章
Questions for NASA after Rocket Explosion 火箭爆炸后美国国家航空航天局面临的问题 Unmanned Antares rocket is seen exploding seconds after lift off from a commercial launch pad in this still image from NASA video at Wallops Island, V
2014年VOA慢速英语(十)月
World Environment Day(世界环境日)World Environment Day (WED) was established by the UN General Assembly in 1972 to mark the opening of the Stockholm Conference on the Human Environment. Commemorated yearly on 5 June, WED is one of the principal
英美文化
Unit Eight WHAT CAN WE DO TO PROTECT OUR ENVIRONMENT? Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得 10 到 30 积分的奖励
冀教版高中英语选修十
Virgin Spaceship Crash Raises Questions 维珍宇宙飞船失事引发诸多问题 WASHINGTON Plans to fly tourists to the edge of space could be delayed after Friday's crash of Virgin Galactic's SpaceShipTwo during a manned test flight. It is the se
VOA标准英语2014年(十一月)
美国火箭爆炸，私营航天产业的挫折 Wednesday's successful launch of a Russian space vehicle taking supplies to the International Space Station was in sharp contrast to the explosion of a private U.S. cargo space craft shortly after it's
VOA双语新闻 2014年10月
081 environment Words (toxic)waste (ari)pollution environment recycling protect acid rain pollutants ecology radiation extinction damage desertification over-fishing rainforest destruction overpopulation ozone layer Unleaded petrol Phrases Create tox
情景英语口语100主题
Galactic Rotation 银河系自转 Astronomers calculate there is ten times more matter in our Milky Way galaxy than we can actually see. Discover how the orbital motions of stars in the galaxy reveal dark matter -- on today's Earth and Sky. JB: I'm Joel
(科普英语)Earth and Sky
Broadcast: Mar 27, 2003 When Iraqi soldiers retreated from Kuwait during the first Gulf War in 1991, they set fire to 600 oil wells. Towering pillars of fire and columns of smoke vented from the wells
VOA2003（上）-健康之旅
美国私企飞船与空间站对接 WASHINGTON, Jan. 12 (Xinhua) -- A commercial spacecraft, operated by U.S. space company Orbital Sciences Corp., docked with the International Space Station (ISS) on Sunday morning on its first official cargo resup
英语新闻
SCIENCE IN THE NEWS - Space Junk Threatens Earths Orbital Environment JIM TEDDER: This is SCIENCE IN THE NEWS, in VOA Special English. Im Jim Tedder. KATHERINE COLE: And Im Katherine Cole. Today, we tell about an ever increasing number of objects in
2011年VOA慢速英语(九)月
Global Warming Could Delay Next Ice Age The next ice age could be delayed by tens of thousands of years due to excessive amounts of heat-trapping carbon dioxide in the atmosphere, which disrupts Earths natural cycle of warming and cooling, according
VOA标准英语2012年(一月)
With Failed Launch, US Private Space Industry Suffers Setback 火箭发射失败 美国私人航天受挫 Wednesday's successful launch of a Russian space vehicle taking supplies to the International Space Station was in sharp contrast to the explosi
VOA标准英语2014年(十月)
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
实用英语
ENVIRONMENT REPORT-May 3, 2002: Goldman Environmental Prize This is the VOA Special English ENVIRONMENT REPORT. Eight environmental activists from around the world have been awarded the Goldman Enviro
健康与环境
ENVIRONMENT REPORT – June 7, 2002: Tornadoes By Jill Moss This is the VOA Special English Environment Report. Every year in the United States people watch for dangerous windstorms called tornadoes.
健康与环境
By David McAlary Washington 12 July 2006 Astronaut Mike Fossum (on arm)installs the International Space Station's railcar-like mobile transporter U.S. space shuttle astronauts are on their third spacewalk since Saturday, this time to practice method
2006年VOA标准英语（七月）
BEIJING, Jan. 28 (Xinhua) -- China lacks quality environment assessment agencies, according to a government report issued on Monday. The Ministry of Environmental Protection (MEP) publicized a report after a three-year survey into the country's envir
英语新闻
U.S. urged to create fair environment for Chinese investment BEIJING, Oct. 18 (Xinhua) -- A Chinese Foreign Ministry spokesman on Thursday urged the United States to create a fair and stable environment for Chinese companies investing and operating i
英语新闻
保护环境主题演讲稿 Protect the Environment, Protect Ourselves Good afternoon, my honorable judges, ladies and gentlemen and fellow contestants: I feel so happy to have the chance to make a speech. The title of my speech is Protect the Enviro
英语小短文
Today marks the World Environment Day, an occasion promoted by the United Nations Environment Program or UNEP to increase awareness of the environmental problems affecting people's lives. The theme of this year's event is Eat. Think. Save, a campaign
世界各地新闻集锦