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。
The optimization of mine ventilation system is a decision question of a complicated system formed by numerous factors.
矿井通风系统优化是一个由众多因素构成的复杂系统的决策问题。
Optimization of mining ventilation system has been one of the critical issues for coal mine's safe production, and should be solved by scientific and reasonable method.
矿井通风系统优化已经成为煤矿安全生产的一个关键问题，对其应有科学、合理的选择方法。
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