Mine ventilation system optimization is a decision-making problem about complexity system which is composed of many integrating, interrelating and interdependent quantitative and qualitative factors.

矿井通风系统优化是一个有定性和定量相互结合、相互关联、相互制约的众多因素构成的复杂决策问题。

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For the complexity and many factors of the decision making, experts pay more attention to the problem of promoting knowledge communication in the process of decision making.

群体决策过程复杂、影响因素众多，信息交流复杂，因而如何促进决策过程中知识的有效交流便越来越受到专家学者的重视。

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