If you are working on a systems engineering project, I would think that you will value sticking to your plan as much as responding to change.

如果您是一名项目的系统工程师，我猜想您的评估更多的是考虑到您的计划，而不是响应改变。

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By using Value Engineering Theory, a complete comparison will be carried out by allocating credits to different indices and then the best plan can be decided.

如果运用价值工程理论，采用评分的方法可对各项指标进行全面比较，进而选出最优方案。

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The intension of integrate plan of engineering cost and construction period is analyzed based on earning value method.

］ 以挣值管理方法为研究内容，分析工程造价与施工工期集成计划的内涵。

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