在本课题中按照控制电路的功能模块分别编制了采样、计算、显示、中断等函数，而在主程序中分别调用这些函数来实现相应功能。

To meet the control circuit's requirement, the function of sampling, calculating, displaying and interrupting is written separately and is called in main programme.

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API函数拦截是指通过特定的方法中断API函数的调用，转而执行用户的功能代码的一种行为。

Intercepting API calls means a way of alter the original API execution to the code supplied by the user.

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