Parallel rails had long been used in mining operations to move bigger loads, but horses were still the primary source of power.

在采矿作业中，平行铁轨早已被用来运送大件的货物，但马匹仍然是主要的运输工具。

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The temporary ban was meant to slow a flurry of new uranium mining operations planned near the Grand Canyon.

这个临时禁令也意味着新一轮的铀矿开采计划将放缓。

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Association rule mining is invoked by calling a stored procedure as all other mining operations in InfoSphere Warehouse.

对关联规则挖掘的调用是通过调用一个存储过程完成的，与InfoSphere Warehouse内的所有其他挖掘操作无异。

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Freeport McMoran Copper now faces a new problem related to its Indonesian mining operations.

FORBES: Indonesian Miners Strike Another Blow For Freeport At Grasberg

Open-air mining operations in France are also using drones to determine how much materials have been removed from mines.

FORBES: Drone Startup Airware Lands $10.7 Million Series A Led By Andreessen Horowitz

Attendance levels of less than 20% meant four of the company's mining operations in Rustenburg could not operate properly.

BBC: South African mine owner Amplats fires 12,000 workers