首先介绍了转换故障模型和路径延迟故障模型，以及测试时采用的具体的两种测试方法，然后总结了一些测试时要注意的事项。

At first it introduces the transition fault module and the path delay fault module, including two specific methods which are used in testing. Then it summarizes several important vectors of testing.

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提出一种用于测试组合电路中延迟故障的新功能故障模型，讨论该模型的功能测试生成。

This paper propose a functional fault for delay faults in combinational circuits and describe a functional test generation procedure based on this model.

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