单词：space-flight
[网络] 宇宙飞行；太空飞行；航天
space-flight的用法和样例：
例句
- Dry seeds of Brassica napus L. were carried by the artificial satellite for space mutation treatment.The biological characters of SP1 and progenies were tested in this experiment.利用返回式地球卫星搭载甘蓝型油菜种子的试验表明，空间条件对油菜种子具有诱导性状变异的作用，许多由空间条件诱导的性状变异能够传递给后代。
单词：space-flight 相关文章
In 1983, trailblazing astronaut Sally Ride blasted out of Earth's orbit, opening the world of space travel for women. Watch the stories of other pioneers who have followed her path to the stars. Since the US space program began in 1958, NASA has ach
国家地理2008年
Broadcast: Jan 29, 2003 China says it will launch its first astronauts into space later this year. Beijing is hoping the manned space program will boost commerce, science, and security. But, those ben
VOA2003（上）-科技先知
EXPLORATIONS - The Year in Space By Paul Thompson Broadcast: Wednesday, December 29, 2004 VOICE ONE: I'm Faith Lapidus. VOICE TWO: And I'm Steve Ember with the VOA Special English program EXPLORATIONS
Explorations
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科技之光
The Space Shuttle Discovery is now on its way to the International Space Station after what NASA calls a picture perfect launch from the Kennedy Space Center in Florida Thursday. This is the last flight of the oldest and most-travelled of the US shut
英语新闻
WASHINGTON, Nov. 8 (Xinhua) -- NASA plans to add an unmanned flight test of the Orion spacecraft in early 2014 to its contract with Lockheed Martin Space Systems for the multipurpose crew vehicle's design, development, test and evaluation, the U.S. s
英语新闻