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1·The fully mechanized mining rate exceeds 80% in large state-owned mines.

国有重点煤矿采煤机械化程度超过80%。

2·The backfilling methods with refuse were beneficial to improving mining rate of resource and prolonging mine life.

提出了3种矸石充填开采对提高资源采出率、延长矿井服务年限的重大意义及推广应用价值。

3·The steep inclined seam is a difficult mining seam with a poor safety condition, a poor support stability, a lower mechanization and lower mining rate.

急倾斜煤层属难采煤层，具有安全状况差、支架稳定性差、机械化程度低、回采效率低等问题。

4·With the similar simulation test, a simulation study on the mining rate of a coal mining with the top coal weaken in different degree and under the high cutting mining condition was conducted.

通过相似模拟试验，对大段高开采条件下顶煤体靠底板侧煤体弱化程度不同情况下的工作面采出率进行了模拟研究。

5·The challenge, says Duke's Van Dover, “is to ensure that cumulative effects of mining activities do not exceed the rate of recovery of the organisms that rely on these habitats for survival.

杜克大学的范多佛说，真正的挑战在于，“必须确保开采活动所积累的影响不会超过那些在该区域栖息的生物再生的速度。”

6·Decades of logging, mining and slash-and-burn farming have destroyed 90% of Madagascar's forests, though the rate has slowed in the past two decades.

数十年的砍伐、采矿以及刀耕火种的耕作方法破坏了马达加斯加90%的森林，尽管其速度在过去二十年内有所放缓。

7·Mr Humala has suggested Peru could impose a windfall tax of up to 40 per cent on mining companies, and also raise the 30 per cent rate that miners currently pay.

乌马拉暗示，秘鲁可能对矿业公司开征税率至多为40%的暴利税，并提高矿业公司所适用的税率（目前为30%）。

8·The challenge, says Duke’s Van Dover, “is to ensure that cumulative effects of mining activities do not exceed the rate of recovery of the organisms that rely on these habitats for survival.”

杜克大学的范多佛说，真正的挑战在于，“必须确保开采活动所积累的影响不会超过那些在该区域栖息的生物再生的速度。”

9·The highest rate of silicosis deaths occur among so-called non-construction laborers and mining machine operators.

最高的矽肺病死亡率出现在所谓的非建设工人和煤矿机操作人员中。

10·From 2003 to 2009, found a new study, the rate of deforestation in two gold-mining areas increased six-fold alongside record-setting leaps in the international price of gold.

自2003年到2009年，一项研究发现，在两个金矿区的水土流失率随着国际金价创纪录的增长也增加了六倍。