在工程造价控制中一般都使用挣值管理(evm)来监督成本的真实情况。
In the control of construction cost, EVM is used for supervising the cost truth.
然而，很多挣值管理的实现都遵循瀑布模型：需求分析、设计、开发、测试和发布。
However, many implementations of EVM follow waterfall models of requirements, design, development, test, release.
然而，很多挣值管理的实现都遵循瀑布模型：需求分析、设计、开发、测试和发布。
However, many implementations of EVM follow waterfall models of requirements, design, development, test, release.
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