TY - Journal of Yangtze River Scientific Research Institute A1 - CHEN Guang-yao, WANG Ming-wu, JIN Ju-liang T1 - Two-dimensional Evaluation Model of Surrounding Rock Stability Based on OBLFOA-PP-BC Y1 - 2022-04-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 140 EP - 148 VL - 39 IS - 4 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20210010 ER -