methods based on the autoptical result and statistical data, apply the theory of mineral resources requisite life-cycle of regional development and demonstrative method.
方法依据实地调查资料和历年统计数据,运用区域开发的矿产资源需求生命周期理论和实证研究方法。
this dissertation is finished on the basis of collecting the predecessors「 achievements, and brings to successes by field autoptical and studies in doors.
论文是在广泛收集前人资料的基础上,通过野外调查和室内研究完成的。
the discourse is on the basis of collecting predecessor」s information, and brings to success by field autoptical and studies indoors.