While this is common in modern systems, Mach was the first system to define tasks and threads in this way.

虽然对于现在系统来说非常普通，但Mach是第一个这样定义任务和线程的系统。

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Don’t get carried away and “retrain your development team because of five minutes of downtime”, said Squirrel, “but define tasks proportionate to the problem”.

不要鬼迷心窍，“不要因为系统停止工作5分钟就去重新培训你的整个开发团队”，Squirrel说道，“相反，你应该根据问题定义出相关的任务”。

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Tasks define the work needed to complete the request for a project.

任务定义这个工作需要完成这个项目的请求。

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They state that there are limitations to this data in that the study did not define how these levels were determined or how inter-rater agreement was determined, besides the fact that these tasks are indirect academic measures.

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