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第1期腐殖煤镜质组的基本类型………………………………………………赵师庆吴观茂（3）。应用灰色系统理论对杨庄矿I。;。工作面待大突水进行分析…………周立功李祥碧（8仁安徽淮南的剑齿象化石（系列研究之一）……………………………陈萍刘嘉龙（14）〕概率统计法确定钻井井
The first phase of the basic types of humus coal vitrinite .............................................................. Zhao Shijie Wu Guanmao (3). Applying Gray System Theory to Yangzhuang Mine I. ; Face to be a big sudden water for analysis ............ Zhou Ligong Li Xiangbi (8 Hui Anhui Huainan sword teeth fossils (one of the series) ................................. Chen Ping Liu Jialong (14) probability Statistic method to determine drilling well