An optimized mining plan model was presented for opencast mines. During the development of the model, mining construction was given full consideration.

针对露天矿采掘进度计划优化编制问题，建立了一个数学模型，同时较充分地考虑了作业条件下的模型建立和问题的处理。

youdao

Charbonneau said they looked at the model used by Mining Association of Canada, which was a partner in the event, to stimulate interest in the mining industry.

FORBES: Qu��bec Mines 2012 Brought Together All Aspects Of The Mining Industry: Director Of Mines In Qu��bec

His mission to find Manono, a 1950s model town built by a Belgian mining company in the rarely visited interior of eastern Congo, is illuminated as much by the detours as the destination.

ECONOMIST: Life in Congo: War and peace | The

Although Silver Wheaton is not a mining company, its business model makes it very vulnerable to volatility in the prices of precious metals.

FORBES: How Bad Will Weak Prices Ding Silver Wheaton's Earnings?