a given period的用法和樣例：
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.
在給定的時間周期內，計算機系統能完成的總工作量的一種量度。例如每天完成的作業個數。 - He had to decide within a given period.
他得在一定時間內作出決定。 - A total amount produced during a given period; output.
產量在既定期間內生產出的產品總量; 生產量
