sidereal day 详细解释

sidereal day

n. 恒星日(较标准日约短四分钟)

英英释义

名词 sidereal day:

the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day

同义词:day

补充

sidereal daysidereal dayn.1.恒星日(较标准日约短四分钟)