Analysis of Error Sources for Circumlunar Spacecraft Orbit Determination;
影响环月飞行器定轨精度的误差源分析
Analysis of Error Sources for Trans-lunar Spacecraft Orbit Determination;
影响奔月飞行器定轨精度的误差源分析
Orbit Determination for Single Navigation Satellite and Lunar Explorer;
单颗导航卫星及探月飞行器的轨道确定研究
On Eugene O Neill s Tragical Outlook on Life from the Symbol of Sea in Anna Christie;
从《安娜·克里斯蒂》中海的象征看尤金·奥尼尔的悲剧人生观
Orbit Determination of the First Chinese Lunar Exploration Spacecraft CE-1;
“嫦娥一号”探月飞行器的轨道计算研究
Orbit Determination for Single Navigation Satellite and Lunar Explorer;
单颗导航卫星及探月飞行器的轨道确定研究
lunar orbiter spacecraft
月球轨道宇宙飞行器
automatic direction finder for aircraft
飞行器自动方向探知器
Agenaclass lunar orbiter
阿琴那型月球轨道飞行器
The spacecraft is in orbit (ie moving in orbit) round the moon.
该航天器在绕月球轨道上飞行.
In December 1978, the Pioneer Venus 1 probe and orbiter measured argon isotopes in the atmosphere of Venus.
1978年12月，金星先驱者1号探测器和轨道飞行器，测定了金星大气层中的氩同位素。
The spacecraft rounded the moon.
宇宙飞船环绕月球飞行。
Something that orbits, especially a spacecraft that orbits a planet or moon without landing on it.
轨道飞行器循轨道飞行的物体，尤指循一行星或月球运行而不在其上着陆的宇宙飞船
Space flight is a high-risk undertaking, and lunar probing is particularly so.
宇宙飞行是一项高风险任务，特别是探月工程。
The Technology Research on Aircraft Passive Sonic Detect and Identification;
飞行器被动音频探测与识别技术研究
The Analysis of Aircraft Application in Disaster Prevention and Relief for Earthquake
飞行器在地震防灾救灾中的应用探析
Because the spacecraft is still under the influence of the eart's gravity, it begins to decelerate as it travels toward the moon.
由于宇宙飞行器仍在地球引力的影响下，它飞向月球时开始减速。
Flight in an aircraft or a spacecraft.
飞行在飞机或飞行器中飞行
spacecraft maneuver
太空飞行器机动飞行
The Research of Model on Aerial Defence Missile Weapon System Detecting and Firing Low-height Aerocraft
防空导弹武器系统探测拦截低空飞行器模型
records information about the performance of an aircraft during flight.
飞行器飞行时飞行状况的记录数据。
To operate an aircraft or spacecraft.
驾驶操纵飞机或飞行器