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1·For the gently inclined and extremely-thin vein, the mining methods including breasting method, waste-lifting stoping, resue stoping, long walling were usually adopted.

对于缓倾斜极薄矿脉的开采，通常采用全面法、削壁充填法、选别回采、长壁法等采矿方法。

2·Finally, paper summarized research achievement, discussed soft resue technic in research subject combine with author's specialty, prospected the further study in the future.

论文最后总结了课题研究的成果，结合作者的研究方向，讨论了课题中所用到的软件复用技术，并对未来的研究方向提出了进一步的展望与构想。

3·The former cann't get a satisfied precision and recall for users, while the later requires users have a high awareness of knowledge structure and shows a bad effect to knowledge search and resue.

前者无法满足用户对于查准率和查全率的要求，而后者需要用户对知识结构具有较高的认知，这影响了知识检索和重用的效果。