By design for testability, both the degree of difficulty in testing and test time are reduced nearly one half.

通过可测性设计，使该电路的测试难度及测试时间减少了将近一半。

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Compared with the study of the standard test of Chinese language level (HSK), PSC is weak in terms of degree of difficulty, trust and efficiency.

与汉语水平考试(HSK)的研究相比，普通话水平测试(PSC)在难度、信度、效度等方面的研究显得还很薄弱，而难度、信度、效度都是衡量测试质量高低的重要指标。

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