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单词
polar motion
释义
polar motion
Encyclopedia
工学
地球自转角速度
释
polar motion
极移
由于地球表面上的物质运动（如海潮、洋流等）和地球内部的物质运动（如地幔对流等），地球自转轴将通过地球质心在顶角约为的圆锥面上运动，会使极点的位置产生变化，这种现象称为极移。
理学
地极移动
释
polar motion
极移
地球瞬时自转轴在地球本体内的运动。又称地极移动。
理学
地极移动
释
polar motion
地极移动
地球瞬时自转轴在地球本体内的运动。简称极移。
Astronomy
polar motion
极移
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high temperature cooling and low temperature heating system
high temperature corrosion in pulverized coal boiler
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更新时间：2025/11/26 13:51:08