BoundaryScan边界扫描boundaryn.边界；分界线boundary-layer oscillation边界层振动boundary condition weakening边界条件弱化boundary layer skin friction边界层表面摩擦boundary features extraction边界特征提取boundary-fitted coordinate贴体坐标boundary zone of capillarity毛管作用带,毛管水边界层,毛细管作用带Boundary layer sepa-ration附面层分离Boundary Labeling Automation自动机boundary following algorithm边界跟踪算法boundary layer heat transfer边界层传热