polar motion信息详情
极移
polar───n.(Polar)人名;(德、西)波拉尔;n.极面;极线;adj.极地的;两极的;正好相反的
motion───vt.运动;向…打手势;n.动作;移动;手势;请求;意向;议案;vi.运动;打手势
polar circle───[数]极圆;[天][测]极圈
amphitrichous polar───两性极性
polar beat───极拍
polar hippos───极地河马
polar coordinates───n.极坐标;n.[数][天]极坐标
polar post───极柱
polar molecules───有极分子
Polar motion is the movement of the rotation axis with respect to the crust.───极移指自转轴相对地壳的运动。
rotation of the Earth includes precession, nutation, variations of the rotation rate and polar motion.───地球自转运动包括岁差和章动,极移和日长的变化。
Therefore, observation and research of the polar motion can provide information about global geophysical processes.───因而,对极移的观测和研究必然为全球性的地球物理现象提供着信息。
The polar motion excitation is dominated by mass redistributions.───其主要激发原因是地球上物质分布的变化。
concepts of polar motion and changes in the rotation rate of the Earth;───极移的概念和地球自转速率的变化;
Time-variation of periodic components of polar motion amplitude───极移振幅主要周期分量的时变特征
Theoretical Approach to Polar Motion of 7-month-period───7个月周期极移的非线性动力机制
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