对实现非煤矿山安全生产，提高经济效益和社会效益具有重要现实意义。
It is of practical importance to the realization of the safe work of non-coal mines and the improvement of both economical and social benefits.
如何改变传统的建设、运营及管理模式，引入市场机制，提高经济效益和社会效益，是解决问题的关键。
How to change the traditional model of building-operating-management, leading into market mechanism to improve economic results and social results is critical.
因此，寻求整个供水系统的造价最低或年费用最小的设计方案对提高经济效益和社会效益等有着重要的现实意义。
So the designing plan that minimizes the costs of the system is more important significance to improve economical and social benefits.
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