opening of mines是什么意思

用法例句

Research and development of ore body 3D visualization system base on VC~(++) and OpenGL;

基于VC~(++)和OpenGL的矿体三维可视化系统研发

Through analysis of faulted structure of Shangqing mining zone of Banshigou Iron Ore Mine,the extent of damage of ore body caused by faulted structure is ascertained that helps very much to solve existent problems in production for the purpose of achieving good social and economic benefits.

通过对板石沟铁矿上青矿区断裂构造的分析,进一步清楚其对矿体的破坏程度,为矿山解决生产实际问题起到了较好的作用,并取得了较好的经济和社会效益。

Because the stripping ratio can not meet the economic demand or the ore body can not meet the machanical mining conditions,some small and thin ore body with high grade had not been mined out in open-pit mining.

露天开采除了按正规设计开采的主矿体外,因达不到经济剥采比的要求或者不具备机械化开采条件,还残留部分高品位边缘小矿体、薄矿体。

Investigation on Orebody Occurrence Law in Zhao′anzhuang Underground Mine;

赵案庄地下矿矿体赋存规律研究

Study on the Occurrence Law of Orebody in the West of Tiegukeng Open-pit Mine;

铁古坑露天矿西部矿体赋存规律研究

Preliminary Study on Orebody Outlining by Profit Index Instead of Grade;

用利润指标代替品位指标圈定矿体的初步研究

Study on combining open pit mining with underground mining of complex orebody;

露天与地下联合开采复杂矿体的研究

It is more important in mining a low-grade complex orebody due to its special geological conditions.

低品位复杂矿体由于其特殊的地质情况,采场管理工作显得尤其重要。