The first model supposes every test case has equal fault detective ability and can get the same fault coverage.

第一个模型假设每个测试用例有相同的故障检测能力，能获得相同的故障覆盖率；

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Detective Barton : I'm gonna need you to take a sobriety test.

我需要带你去做一个酒精测试。

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Methods: 7 common-used nonmetal materials were burned in the combustion test box; and qualitative analysis was done by detective apparatus and GC-MS.

方法：将7种常用非金属材料在燃烧试验箱中燃烧，用检测仪器和GC - MS进行定性分析。

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