在高中代数学里，你学习了标准二次方程序。
In high-school algebra, you learned that the standard quadratic equation.
以后代数中的种种推论都很枯燥，包括二次方程序，我这辈子从未用过它。
Everything in algebra was boring extrapolation after that, including the quadratic equation, which I have never used in my life.
基于代数演算法的圆弧插补器，只要改变相应的几个寄存器的予置常数，就可直接插补非圆二次曲线。
The Circle Interpolator based on the algebra figuring, if we change only a few preset constants in the register, we can directly Interpolate a quadratic curves.
数值实验表明这种代数多重网格法对求解二次拉格朗日有限元方程是健壮和有效的。
Numerical experiments show our AMG method is robust and efficient for solving the quadratic Lagrangian finite element system.
解答二次不等式，选用代数方法比数轴标根法有更高的正确率；
While most of the students use algebraic manipulations, some adopted the method of using the number line, and still some few solve by sketching the graphs.
本文针对带有间断系数的三维椭圆问题，讨论任意四面体剖分下的二次拉格朗日有限元方程的代数多重网格法。
In this paper, we consider a quadratic Lagrangian finite element equation arising from discretizations of 3d elliptic problem with jump coefficients under any tetrahedral partition.
主要内容有：向量代数、空间的平面和直线、特殊曲面和二次曲面、一般二次曲面和一般二次曲面。
The main content: vector algebra, plane and linear space, special surfaces and secondary surfaces, general quadratic surfaces and general quadric surface.
主要内容有：向量代数、空间的平面和直线、特殊曲面和二次曲面、一般二次曲面和一般二次曲面。
The main content: vector algebra, plane and linear space, special surfaces and secondary surfaces, general quadratic surfaces and general quadric surface.
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