a period of time in a day

If a person's whereabouts become unknown during a war, the calculation of the time period in which his whereabouts are unknown shall begin on the final day of the war.

战争期间下落不明的，下落不明的时间从战争结束之日起计算。

Student life is very lonely and alone, whether two-year master degree four years, or longer period of time doctoral student, are not a person to escape the day in the library studying hard.

留学生的生活是非常寂寞和孤单，不论是两年硕士、四年学士、还是更长时间的博士生，都逃避不了一个人呆在图书馆苦读的日子。

The results showed that the ridge was the best slope position for setting the light and the time of 20:00-22:00 in a day of emergence period was the best time for trapping. The black light trapped more adults in sunny days than in cloudy days.

结果表明，将黑光灯设置在山脊是诱集栗山天牛成虫的最佳位置；20：00-22：00时是引诱的最佳时间；晴天诱到的成虫数量远多于阴天。

By analyzing the characteristic of the transit passenger's trip in the time and space, a working day is ascertained as the measurement period in the calculating the capacity of transit network.

通过对城市公共交通客运量在时间、空间上的分布特点分析，将网络容量的度量周期确定为一个工作日。