名词中文翻译
中文翻译：质量中心
同义词：
['mass point', 'mass center of gravity']
例句：
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1.The mass center of the earth's rotation is located at the North Pole.
地球自转的质心位于北极。
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2.The mass center of the planet is where the sun and the moon are closest to each other.
行星的质心是太阳和月亮距离最近的地方。
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3. The mass center of the Earth's gravity field is concentrated at the core.
地球重力场的质心集中在地核。