SVBT (Space Vehicle Booster Test)
宇宙飞行器助推器试验
lunar orbiter spacecraft
月球轨道宇宙飞行器
spacecraft ground instrumentation
宇宙飞行器地面仪表设备
Up to now, it is only the rocket which can propel a space vehicle.
至今，只有火箭才能推进宇宙飞行器。
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。
astrometric position
天体或宇宙飞行器在天球上位置(经过光行差改正
The spaceship flies at light speed.
宇宙飞船以光速飞行。
The spacecraft rounded the moon.
宇宙飞船环绕月球飞行。
An astronaut flies a spacecraft and a pilot flies an aeroplane.
宇航员驾驶宇宙飞船，飞行员驾驶飞机。
spacecraft optical transponder
宇宙飞船上的光转发器
The spaceship orbited the moon.
宇宙飞船绕月球运行。
an unmanned spaceflight
无人驾驶的宇宙飞行
the Voyager 2 spacecraft
旅行者2号宇宙飞船.
The science and technology of space flight.
航天学，宇宙航行学研究宇宙飞行的科学及技术
To navigate a spacecraft, as in celestial flight.
导航为宇宙飞船导航，如在航天飞行中
Spacecraft are vehicles used for flight in outer space.
宇宙飞船是用于太空飞行的交通工具。
Do you know how an astronaut flies in a spacecraft?
你知道宇航员是怎样乘宇宙飞船飞行的吗?
