The improvement method for reduction of queue length was presented with emphasis on reducing the fluctuation of task completion time.
重点在减小任务完成时间的波动等方面，给出了减小队列长度的改进方法。
The computing model result in the separation of the influence of machine utilization, sequential job service rate, and parallel task allocation to the parallel task completion time.
通过这个计算模型可从机器利用率，连续工作服务速率，并行任务分配等方面对并行任务完成时间进行预测。
A quantitative value representing the subjective rating or opinion of users reacting to seeing or using a system, as opposed to performance measures like task completion time or number of errors.
它是一个定量值，表明了用户观看或使用一个系统的主观评价和意见，不必要象绩效测量那样以任务完成所需的时间和错误数为指标。
So the task duration is not a single real number, rather it is a random variable that describes the likelihood of completion within a certain range of time.
所以任务持续时间不是一个单一的实数，而是描述一定时间范围内完成的可能性的随机变量。
If the program must wait for a resource, such as an I/O completion, specify a maximum wait time, and then fail or requeue the task for execution at a later time.
如果程序必须等待诸如I/O完成这样的某个资源，那么请指定最长的等待时间，以及随后是失效还是将任务重新排队以便稍后执行。
Thirdly, it analyses prediction technology in scheduling, and proposes prediction model to predict task expected completion time using subtasks with maximum mathematical expectation.
在此基础上，建立基于数学期望的任务预期完成时间预测模型，用具有最大期望完成时间的子任务预测任务预期完成时间；
Slack is the amount of time a task can be delayed without delaying the project completion date.
浮动的时间是指没有延误项目完成的任务能够被完成的时间。
Task completion is important and time may be a critical factor.
完成任务非常重要，时间也许是一个关键的因素。
Task completion is important and time may be a critical factor.
完成任务非常重要，时间也许是一个关键的因素。
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