At present, most of the researches about mineral industry and its relative fields in and out of China just stay at the qualitative description period, only a few use quantitative models to analyze.

 
  • 目前国内外对于矿业及其相关领域的研究大多停留在定性的描述阶段,而采用定量模型分析较少。
今日热词
目录 附录 查词历史