Under the whole life cycle theory, I think I study the design phase and bidding phase of the two key nodes in the project cost control.

笔者在全寿命周期理论的视角下主要研究决策设计阶段和招投标阶段两个关键节点的工程造价控制。

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Start a theory to guide practice, after practice, enrich and supplement the theory, so the cycle to reach the two closely integrated and mutually confirmed.

开始是理论指导实践，后又实践丰富和补充理论，如此循环往复，达到二者紧密结合和相互印证。

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