sidereal year是什么意思 sidereal year在线中文翻译

sidereal year 英 [saɪˈdɪəri:əl jə:] 美 [saɪˈdɪriəl jɪr]

1. 恒星年[天]
   ...sidereal time 恒星时间[天] | sidereal year 恒星年[天] | sideslip angle 侧滑角...

1. the time for the earth to make one complete revolution around the sun, relative to the fixed stars

sidereal year [saɪˈdɪəri:əl jə:]