Building "Thousands of villages" market project is a complex system project that involves many Factors.

建设“万村千乡”市场工程是一项复杂的系统工程，牵涉到诸多的方面。

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The mine design is a complex system project. It has the properties of multi-goal and multi factor, and must be optimized by multi-goal and multi-criterion.

矿井设计是一项复杂的系统工程。具有多目标、多因素的特点，要求以多目标、多准则进行优化。

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The Nellis project was developed through a complex arrangement between the Air Force and financial partners where power providers covered system construction costs in return for a guaranteed market along with substantial federal tax subsidies and other incentives.

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