名词
中文翻译：质量轴
同义词：
['mass center', 'massaxis', 'mass axis point']
例句：
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1. The mass axis of the planetis determined by its rotational speed andgravity.
行星的质量轴由其旋转速度和重力决定。
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2. The mass axis of theEarth's core is responsible for theplanet's rotation.
地球核心的质量轴负责行星的旋转。
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3. The mass axis ofa satellite determines its orbital path.
卫星的质量轴决定了它的轨道路径。