quadric,英语单词,主要用作形容词,名词,作形容词时译为"二次的",作名词时译为"二次曲面".单词用法 柯林斯英汉双解大词典quadric ˈkwɒdrɪk1.ADJ having or characterized by an equation of the second degree, usually in two or three variables 二次的2.N a quadric curve, surface, or function 二次曲线 ; 二次曲面; 二次函数 [1] 短语搭配 stretching quadric 拉伸二次曲面nonsingular quadric[数] 非奇异二次曲面 ; 非奇二次曲面 ; 满秩二次曲面quadric coordinates 二次曲面坐标ruled quadric[数] 直纹二次曲面reciprocal quadric[数] 反二次型quadric expression[数] 二次式concentric quadric 同心二次曲面quadric regression 二次回归regular quadric 规则二次曲面 [1]