earths rotation meaning in Chinese
地球自转
Examples
- Iers , international earth rotation
国际地球自转服务 - Earth rotation parameter
地球自转参数 - Deciding when to introduce a leap second is the responsibility of the international earth rotation and reference systems service
国际地球自转服务组织负责决定何时加减闰秒。 - Based on classical dynamical equation on elastic oarth rotation , an associated dynamical equation containing both nutation and wooble of earth rotation has been deduced through introducing motion of nutation frame with respect to inertial spatial frame
基于经典的弹性地球自转动力学理论，通过引入章动参考系相对惯性空间的运动，建立了弹性地球极移和章动的联合动力学方程。 - Abstract : this paper analyzes the astronomical backgrounds , such as the positons of celestial objects , variation in the earth rotation and solar activities , etc . , for the recent three moderate and strong earthquakes from chengjiang earthquake to qiubei earthquake in yunnan province
文摘:分析了澄江地震至丘北地震期间云南发生的3次中强震时的天体位置、地球自转与太阳活动等天文背景。