So that a scientific basis for tunnel construction of coal measures strata and reasonable exploiting mineral resources in complex geological conditions is offered.
为复杂地质条件下煤系地层隧道建设和合理开采矿产资源提供了科学依据。
But the advantages of great exploitation potentialities of minerals resources are not given full play to due to a series of the problems existing in exploiting mineral resources.
由于矿产资源开发利用中存在一系列问题，矿产资源开发潜力巨大的优势并没有体现出来。
The islands have few mineral deposits worth exploiting, except for high-grade phosphate.
岛内除了高磷酸盐，能够开采的资源很少。
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