名词
中文翻译：地心高度
同义词：
["地心点高度，地心高度例句：1. The astronauts' pericenter altitude was measured to be 20", "000 kilometers above the Earth's surface.（宇航员的地心高度被测量为在地球表面上方20", '000公里。）']
例句：
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1. The astronauts' pericenter altitude was measured to be 20,000 kilometers above the Earth's surface.
宇航员的地心高度被测量为在地球表面上方20,000公里。
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2. The satellite's pericenter altitude is crucial for its navigation system.
卫星的地心高度对于其导航系统至关重要。
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3. The spacecraft's pericenter altitude is critical for its survival in space.
宇宙飞船的地心高度对其在太空中的生存至关重要。