Tonglusha copper mine is a large mine with underground and surface combined mining system.
铜录山铜矿是露天与地下联合开采的大型铜矿。
The combined oPen pit and underground mining system has found wide application in depeit mining.
矿床开采中露天与地下的联合开采法得到了广泛的应用。
In the course of mining, there are many mines with combined underground and open pit.
在各类矿产资源的开采过程中，有许多矿区属于地下与露天复合开采情况。
The combined method of rough sets theory and genetic algorithms is applied to data mining.
介绍应用粗集理论和遗传算法相结合进行数据挖掘的方法。
The combined method of rough sets theory and genetic algorithms is applied to data mining.
介绍应用粗集理论和遗传算法相结合进行数据挖掘的方法。
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