任务: task; job时间: time; hour完成任务时间: time to delivery整个任务时间: total mission time执行任务时间: time on task统计多任务时间截: time slice statistical multiplex-ing统计多任务时间片段: time slice statistical multiplex ing; time slice statistical multiplex-ing非服务时间: out of service time服务时间: hours of service; service hours; service time; servicing time; time for service可服务时间: serviceable time勤务时间: on-duty hour事务时间: transaction time业务时间: duration of service在执行任务时: in the line of duty while doing one's duty尔朗服务时间: erlangian service time服务时间分布: service time distribution服务时间间隔: service time interval服务时间以外: outside hours of service固定服务时间: constant service time后端服务时间: back-end service time可服务时间比: serviceability ratio累计服务时间: cumulated service平均服务时间: average service time; mean service time期望服务时间: expected service time剩余服务时间: remaining service time