名词
中文翻译：次级地心引力
同义词：
['sub-centrifugal gravity']
例句：
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1.The gravitational pull of the earth is what keeps us on the surface of the planet.
地球的重力作用使我们保持在星球表面。
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2. The scientists are studying the effects of sub-centrifugal gravity on living organisms.
科学家们正在研究次级地心引力对生物体的影响。
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3.In space, the lack of gravity makes it easier for astronauts to perform tasks that would be difficult on Earth.
在太空中，缺乏重力使得宇航员更容易执行地球上难以完成的任务。