TY - Journal of Yangtze River Scientific Research Institute A1 - SU Hai-dong, XIE Zhi-qiang T1 - Numerical Method for Beam Analysis Based on Independent Covers Y1 - 2018-04-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 143 EP - 150 VL - 35 IS - 4 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20161045 ER -