The method in this article is especially useful during the following stages in the software development life cycle.

本文介绍的方法在软件开发生命周期的以下阶段中尤其有意义。

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It expands the work required of the method of life cycle when the management information system of a factory is set up by introducing a large application software.

它充实了在引进大型应用软件时用生命周期法建立工厂管理信息系统所必需做好的各项工作。

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As we all know, as an effective method for guaranteeing the quality of the software, software testing occupies a very important position in the life cycle of software.

众所周知，软件测试作为保证软件质量的有效手段，在软件的生命周期中占有十分重要的地位。

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