它用来将中断初始化为上升沿触发。
It is used to initialize the interrupt trigger as rising edge.
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得到了如何在窄脉宽情况下获得快速上升沿的方法；
The method which to obtain fast rising time for narrow pulse width is got;
探讨了知识管理的过程沿知识螺旋上升的本质。
The nature of the process is to spiral.
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