名词
中文翻译：中空卫星
同义词：
['medium altitude satellite', 'medium-altitude orbital satellite']
例句：
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1.The spacecraft is equipped with a medium-altitude satellite for communication purposes.
这艘航天器配备了一个中空卫星，用于通信目的。
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2. The satellite has been launched to monitor the weather conditions in the medium-altitude region.
这颗卫星被发射到中空区域，以监测天气条件。
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3.The satellite's data helps scientists to better understand the Earth's climate system.
卫星的数据帮助科学家更好地了解地球的气候系统。