The thesis lays emphasis on the model formulation of the whole economic benefits of Capital Construction System Engineering, and does not involve the technical or technological problems.
讨论的重点放在基本建设系统工程的整体经济效益与系统的评价和模型的建立，不涉及技术工艺上的问题。
The principle of "Alternating Engineering and Shade price" is applied to estimate the economic value of water conservation caused by forest ecological system.
采用水源调节“替代工程的影子价格”原理，计算了该地区森林生态系统的水源涵养经济价值。
Economic development of oilfields is a complex system engineering which involves technical and economic factors.
油田经济开发是一项复杂的系统工程，涉及技术、经济等方面。
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