1. China will soon launch its first circumlunar satellite, as part of its ambitious moon exploration program.
作为雄心勃勃的探月计划的一部分,中国很快将发射她的第一颗绕月卫星。

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2. Flights13and14had centaur boosting the spacecraft to escape velocity for an early demonstration of circumlunar capability.
第13次和第14次飞行利用森托尔推进飞船逃离速度限制,这是绕月飞行能力的早期证明。

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3. The computing result indicates that multiple midway trajectory correction should be done while a circumlunar satellite is being launched.
计算结果表明,若发射环月卫星,必须进行多次中途轨道修正。

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4. The computing result indicates that multiple midway trajectory correction should be done while a circumlunar satellite is being launched.
计算结果表明,若发射环月卫星,必须进行多次中途轨道修正。

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