| 释义 |
时差shíchā
1.平太阳时和真太阳时的差。一年之中时差是不断改变的,最大正值是＋14分24秒,最大负值是-16分24秒,有四次等于零。{equation of time; difference between mean and true solar time, which changes constantly during a year, the maximum positive value being ＋14 minutes and 24 seconds, and the maximum negative value, -16 minutes and 24 seconds, with zero occurring four times}
2.不同时区之间的时间差别。{time difference between various time zones} |