名词中文翻译1
中文翻译：Unknown
同义词：
['principal vertical plane', 'principal vertical axis']
例句：
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1. The principal vertical circle is the point where the earth's gravity pulls objects towards the center of the planet.
主要垂直圆是地球引力将物体拉向行星中心的点。
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2.During the construction phase, engineers carefully calculate the principal vertical circle to ensure stability.
在建设阶段，工程师们仔细计算主要垂直圆以确保稳定性。
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3. The principal vertical circle plays a crucial role in determining the position and orientation of objects on the surface of the earth.
主要垂直圆在确定地球上物体的位置和方向方面起着至关重要的作用。