Orbiting the moon at an altitude of just 31 miles, the LRO spacecraft is designed to map the lunar surface in unprecedented detail to help identify possible landing sites for future manned missions.
LRO太空飞行器在仅31英里的高度绕月球飞行，设计该飞行器的目的是绘制空前详细的月球表面地图，以帮助确定未来载人飞行任务可能的着陆点。
The spacecraft will launch on an ESA Vega rocket, reaching speeds of 16,000 miles per hour and 280 miles in altitude.
它将搭载欧盟织女（Vega）火箭升空，速度达到16000英里每小时，轨道高度280英里。
Experiments were designed and conducted on spacecraft thermal coating to simulate an absorbed dose profile from synchronous altitude radiation by varying the energy of incident electrons and protons.
文章介绍了航天器的热控涂层试验，用改变入射质子和电子能量的办法，模拟同步轨道辐射环境。
This spacecraft will sail a few hours in space and gain a few miles in altitude.
这一飞船将在太空中航行数小时并且上升几英里的高度。
The phenomenon of space Charge Accumulation (SGA) of spacecraft will exhibit if it operates at its orbit-especially at high altitude orbit.
航天器表面在轨道运行中会出现电荷积累现象，尤其高轨道航天器这种现象更为严重。
The system can be used for researching the effect of high altitude meteorological factors on spacecraft, and provide meteorological service for science research and launch of large spacecraft.
它可以用于研究高层大气环境对空间飞行器的影响，为气象科学研究和航天器发射提供气象保障服务。
The charge accumulation phenomenon on the surfaces of a spacecraft at a high altitude or geosynchronous orbit would appear.
处于空间电环境条件下的航天器表面会出现电荷积累，形成高的电势值。
Last Wednesday the Shenzhou 5 spacecraft orbited the Earth 14 times and reached an altitude of 343 kilometres.
上周三，神州五号宇宙飞船围绕地球飞行了14圈，达到了343公里的高度。
Last Wednesday the Shenzhou 5 spacecraft orbited the Earth 14 times and reached an altitude of 343 kilometres.
上周三，神州五号宇宙飞船围绕地球飞行了14圈，达到了343公里的高度。
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