... sidereal unit 恒星日单位 sidereal variation恒星变化 sidereal watch 天文表 ...
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?恒星日变化
... 恒星时 sidereal time 恒星日变化sidereal variation 恒星年 (365D 6H 9M 8.97S) sidereal year ...
双语例句
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The sidereal diurnal variation of cosmic ray ties up with the most basic and important problem in cosmic ray physics such as the origin, propagation and the acceleration mechanisms of cosmic ray.