Path coverage is a kind of important standard that investigates the sufficiency of software testing, it requires that every branch in a program should be performed at least once.

路径覆盖是考察软件测试充分性的一种重要准则，它使程序的每个分支至少执行一次。

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In the recent years, all kinds of program-controlled instruments and automation testing systems that are configured by common instrument interfaces of IEEE-488 standard have come forth continually.

近年来，各种配有IEEE - 488标准通用仪表接口的程控仪器和自动测试系统不断涌现。

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The Transportation Security Administration has begun testing a new program allowing agents to select passengers to bypass standard security checks instead of an expedited line based on personal observations about passengers' behaviour.

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