论文部分内容阅读
1983年初,在世界范围内,采矿工业出现了一种不景气的景象。西方世界采矿机构的年度调查统计资料(《Mining Magazine》1983年1月)表明,连续的产业衰退是明显的。矿山数目由1981年末的58个上升到1982年后期的165个。对新项目数字的解释是:由于
In early 1983, there was a downturn in the mining industry around the world. The annual survey statistics of mining institutions in the western world (“Mining Magazine” January 1983) show that a continuous industrial recession is evident. The number of mines increased from 58 at the end of 1981 to 165 at the end of 1982. The explanation for the new item number is: Thanks