Research purposes: in the new railway designing, choosing the rail joint scheme is one of the important problems at decisionphase.
研究目的：新线设计中，接轨方案的选择是决策阶段需要解决的重要问题之一。
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This paper briefly analyzes the important significance erf construction cost management of investment decisionphase in engineering construction.
本文简要分析了工程建设中投资决策阶段的工程造价管理在工程建设过程中所起的重要作用。
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Abstract: economic evaluation includes national economic evaluation and fiscal evaluation, is the important work in various large medium sized project feasibility investigation and decisionphase.