By comparing data from the fifth general survey of sports grounds of Hubei province and those of China,it was shown that the main problems of constructing facilities were as the follows:the uneven development in different areas,severe deficiency in fund,unreasonable field structures,less exploitation of sports facilities in education and P.

Taking Jinjiazhai coal mine geological survey work,Qianxi county,Guizhou province as example,the article quantificationally and synthetically estimates the stability of the mining coal bed and compares with the traditional qualitative estimation methods,with the indexes of change of coal bed s thickness,coal bed s mininipossibility,and its structure.