以上来源于: WordNet
To overcome the difficulty of unstability of orebody and surrounding rock, the test of flat-back cut-and-fill drift mining is carried out.
针对凡口铅锌矿狮岭顶板矿体和围岩极不稳固的牲,进行了机械化上向进路分层充填采矿工艺的试验研究。
The indoor experiment on the filling materials used for downward slicing drift mining with cemented backfill in Gaolong Gold Mine was performed.
对高龙金矿下向分层进路胶结充填采矿法所用的充填材料进行了室内试验研究。
Concept drift, as a difficult point in the field of data stream mining, is generated with the accompany of time-varying data streams.
概念漂移是数据流分类挖掘中的一个难点,它是伴随着数据流的时变性而产生的。
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