At this point in the process, use case implementation provides a means to identify invalid tests, remove redundant paths, and plan black box testing with no guesswork as to coverage.

在这个过程的这一点上，用例为识别有效测试，清除多余路径，以及在不用猜想的情况下设计黑盒测试提供了一个方法作为覆盖范围。

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But in response to the criticism, Brazilian Blowout put up a web page calling the tests invalid and saying the safety agency was grossly negligent in its testing.

但是在面对谴责时Brazilian Blowout在网页上刊出呼吁：检测无效，是安全代理机构严重失误所致。

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A second major risk area is not validating assumptions early in the development process (which may prove to be invalid when the system is in integration testing, leading to significant rework).

第二大的风险区域就是在开发过程中的早期不去确定假定条件(这可能在系统进行集成测试时被证明是无效的，导致重大的返工)。

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