To choose the major improving object rationally from a complex system is the foundation of launching the value engineering activity efficiently.

从一个复杂系统中，合理地选择重点改进对象，是有效开展价值工程活动的基础。

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The error while complex research method launching from 'Conversion graph' is corrected.

错误而复杂的研究方法而推出了'转换图'中得到纠正。

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What's LEED for Green Neighborhood Development (ND)? LEED-ND is a complex system which is harder than launching a rocket to the Mars.

什么是LEED-ND绿色城区开发？一个堪比发射航天卫星工程的庞大体系。

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This meant relying on unproven and complex technology and launching dozens of satellites into low-earth orbit.

ECONOMIST: Telecoms