a given period的用法和样例：
例句
- A measure of the amount of work performed by a computer system over a given period of time, for example, number of jobs per day.
在给定的时间周期内，计算机系统能完成的总工作量的一种量度。例如每天完成的作业个数。 - He had to decide within a given period.
他得在一定时间内作出决定。 - A total amount produced during a given period; output.
产量在既定期间内生产出的产品总量; 生产量
