因此问题就需要决定是否中断，以及何时中断，使得最大完工时间、完工时间总和、加权完工时间总和等尽可能小。

Thus the problem is to make a decision on whether and when to start the breakdown so as to minimize the maximum completion time, the total completion time or the weighted total completion time.

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该技术的关键是采用多种定时中断，包括采样完成中断、定时采集中断、通信中断、实时多任务中断技术等。

The key points to this technology are the timer interrupt, A/D interrupt, communication interrupt and real time operation.

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