TY - Journal of Yangtze River Scientific Research Institute A1 - ZHANG Hai-long, WANG Jin-ming, JIN Xin, CHEN Hong-jie T1 - Method of Optimizing Surrounding Rock Quality Partition Based on Acoustic Wave Technology Y1 - 2016-03-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 54 EP - 58 VL - 33 IS - 3 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20140975 ER -