elapsed time
noun/ɪˌlæpst ˈtaɪm/
/ɪˌlæpst ˈtaɪm/
[uncountable] (specialist)- used to describe the time that passes between the start and end of a project or a computer operation, in contrast to the actual time needed to do a particular task that is part of the project
（一项工程的）实耗时间；（计算机一次操作的）运行时间