In the worst case, it can follow Brooks' Law, which states that "adding manpower to a late software project makes it later." 2.

在极端的情况下，它会遵循brooks定律，也就是说：“给一个延迟的项目增加人力资源将会使它更加延迟。”

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However, software test is a complex process; it needs to consume huge manpower, material resources and time, which takes the 40%-50% of entire software development cost approximately.

然而，软件测试是一个复杂的过程，需要耗费巨大的人力、物力和时间，约占整个软件开发成本的40% - 50%。

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To avoid catastrophic sequent, manpower backup plan should be initiated in the beginning phase of software project.

在软件项目的开始阶段，为避免灾难的接肿面至，人力后备计划应该被发起。

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