二元二次形式 [数] binary quadric form
真本原二元二次型 properly primitive binary quadratic form
二元二次型 [数] binary quadric form
二元二次样条 Lagrange Interpolation Method
二元二次方程 binary quadratic equations ; quadric equation in two variables
原二元二次型 primitive binary quadratic form
基二元二次型 [数] primitive binary quadratic form
二元二次回归 dualistic and quadric regression
二元二次函数 binary quadratic functions
作为数论的一个分支，二元二次型理论有着悠久的历史。
As a branch of number theory, the theory of binary quadratic forms has a long history.
应用二次曲线束理论揭示解二元二次方程组的几何意义。
Apply the theory of pencil of conics to reveal the geometric significance of simultaneous equations of second degree with two unknows.
本文的主要工作就是围绕二元二次NURBS曲面展开的。
In this paper, the main work is about the binary quadratic form of NURBS.
应用推荐