1·Therefor, penman start with analyzing the existing issues in the Yunnan mine industry and put forward some suggestion on setting Yunnan mine industry competitive predominance.
为此，笔者从分析云南矿业存在的问题入手，提出了云南建立矿业竞争优势的一些建议。
2·What penman have done in the project are listed below:Read papers associated with my project and get familiar with basic principal of the system.
笔者在项目中完成的主要工作有：阅读相关文献资料，了解系统整体原理。
3·Penman thinks that another important reason is large requirements of wood in building activity of human being.
笔者以为还有一重要因素即人类的建设活动对木材的大量需求。
4·By writing this thesis, Penman felt the ability of self-research and enterprise analysis enhanced, meanwhile. It is provided with the research value.
笔者通过对此论文的梳理，具有提升自我研究和分析企业能力，同时也具有现实的研究价值。