The structure was corresponded with the distribution of ore vein, from bottom to top, there is inlayer ...

其矿机制与地壳扩张形深大断裂及挤压应力形的逆掩断层和层间裂隙等构造因素密不可。

For unadjustable ones, the exit may be the best choice.This paper also studied the relevant barrier, ways and policies.The last part can be viewed as a case discussion.

而对不可调整升级型衰退业本文则做出了退出的建议，并对退出的障碍、退出的方式及顺利退出的政策保障进行了论述。