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单词 launch vehicle
释义 launch vehicle
A rocket used to launch a satellite, spaceprobe, space station, etc. Multistage rockets are usually used, the empty tanks and engine of the first two stages being jettisoned before the desired orbit is reached. The launch window is the time interval during which the vehicle must be launched to achieve the orbit
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更新时间:2025/6/23 0:43:53