TY - Journal of Yangtze River Scientific Research Institute A1 - CHEN Ji-zhan, SU Hai-dong, QI Yong-feng T1 - Preliminary Study of Numerical Manifold Method Based on CAD Geometry Y1 - 2016-02-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 137 EP - 143 VL - 33 IS - 2 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20150599 ER -