variable earth rotation rate 地球自转速率变化
Furthermore, a new index is defined to discuss relative seasonal change of wind at different rotation rates compared to the Earth rotation rate.
此外,定义一个新的表征季节变化相对大小的指数来探讨不同自转周期下,风场季节变化相对于地球自转周期条件下的强度的相对大小。
Further analyses show the variation of earth rotation rate and sunspot cycle length have important role on the climate abrupt change in the Qinghai-Xizang Plateau.
进一步分析表明,地球自转速度和太阳黑子周期长度的变化对高原及北半球本世纪气候的突变和阶段性变化起着重要的作用。
Since Earth’s rotation rate varies, so would the value of one second when it’s defined as a fraction of the time it takes for one spin of the Earth on its axis.
由于地球自转速率发生偏离,因此当把地球绕中轴旋转一圈作为一个单位时,(这种偏离)就相当于一秒钟时间。
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