convex cone
网络凸锥 双语例句 The Optimal Approximation of Matrices on Some Closed Convex Cone; relating to or resembling a cone. 矩阵在闭凸锥上的最佳逼近（英文）与锥体有关或类似于锥形。 The nut is of a convex body formed by connecting a cone and the integrally-smooth cylinder, and the cone is at...