polar movement meaning in English
极性移动
极性运动
Examples
- Based primarily on that technical data , he argued that each shift took approximately five thousand years , followed by 20 to 30 thousand year periods with no polar movements
主要基于详细的技术数据,他强调每五千年近似发生一次变化,紧接着2万到3万年周期内不发生两极运动。