名词中文翻译
中文翻译：空球体同义词
同义词：
['null space', 'void sphere']
例句：
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1. The null sphere is amathematical concept that represents the absence of matter.
空球体是数学概念，代表物质的不存在。
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2. In physics, thenull sphere is used to represent anobject in motion that has no net forceacting on it.
在物理学中，空球体用来表示一个没有净力作用在其上的运动物体。
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3. The nullsphere is often usedin astronomy to representthe point where the sun and earthare at their closest distance from each other.
在天文学中，空球体通常用来表示太阳和地球最接近彼此的距离点。