名词
中文翻译：Unknown
同义词：
['inbound trajectory', 'inbound trajectory', 'incoming trajectory']
例句：
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1. The spacecraft's trajectory is carefully planned to avoid collision with the asteroid.
宇宙飞船的轨迹被精心规划，以避免与小行星相撞。
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2. The new satellite's trajectory will be monitored closely to ensure its safe arrival at the orbit.
新卫星的轨迹将被密切监控，以确保其安全到达轨道。
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3. The rocket's trajectory was calculated using advanced computer models.
火箭的轨迹是通过高级计算机模型计算得出的。