名称为while循环的系统任务指向一个活动集，该活动集包含与while循环中的任务对应的任务(图12)。

The system task named while loop points to an activity set that contains tasks corresponding to the ones in the while loop (Figure 12).

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名称为while循环的系统任务指向一个活动集，该活动集包含与while循环中的任务对应的任务(图12)。

The system task named while loop points to an activity set that contains tasks corresponding to the ones in the while loop (Figure 12).

youdao