sidereal time
短语恒星时
发音
/saɪˈdɪə.riəl taɪm/
/səɪˈdɪə.riəl taɪm/
别名
sideral time
释义与例句
n.
-
1.
Time measured by the apparent diurnal motion of the vernal equinox; approximated by that based on the rotation of planet Earth relative to the seemingly fixed stars.
恒星时
不可数 天文