As a rule, code compiled with full optimization can be difficult or impossible to debug, making it very difficult to identify bugs that may be causing the system to function incorrectly.

通常，经过完全优化的编译代码很难或者几乎不可能进行调试，这就加大了发现那些造成系统功能错误所在的难度。

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Mostly, software development projects depend on code test, structural test and performance test to identify bugs.

大部分软件开发项目依靠结合代码检查、结构测试和功能测试来识别软件缺陷。

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