concaver凹面体
concaveadj.凹的n.凹面;凹线;凹形
concave spherical surface凹球面
concave spot localization凹点定位
concave-down green space下凹式绿地
concave-printing machine凹版印刷机
concave positive solutions向下凸正解
concave programmingproblem凹规划问题
concave clearance adjuster凹板间隙调节机构
concave reflection grating凹反射光栅
concave hyperbolic contour单叶双曲面轮廓
concave aspherical surface凹非球面