本文给出了三维射影空间上对合透视的代数表达式。
In this paper we discuss the algebraic expression of involutory perspective in three-dimensional projective space.
借助于SU(1,1)代数，将三维谐振子与加反平方势的三维氢原子表示成具有相同形式的两算符下的本征值方程。
In terms of SU (1, 1) algebra, the eigen equations of three-dimensional Harmonic Oscillator and hydrogen atom in inverse square potential are counterchanged the same equations in form.
在最后一章，我们利用代数的方法分析DNA序列和它们的三维图表示。
In last chapter, we analyse DNA sequences and their 3-dimensional graphical representations using algebraic method.
研究了代数闭域上三维交换代数的分类。
In this paper, we discuss the classification of 3-dimensionally commutative algebras on algebraically closed field.
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.
根据三维可解rds型李代数的分类结果，构造了一类新的四维rds型李代数。
According to the classification of the 3-dimensional solvable RDS type Lie algebra, we constructed a new class of 4-dimensional RDS type Lie algebra.
用文中提出的体绘制算法绘制了三元数法和四元代数法所构造的三维M集。
Finally, the 3-d M-sets generated by the ternary number and quaternion algebra are both rendered by our new algorithm.
限定了目标点井眼方向的三维圆弧型井眼轨道设计模型是一个非线性代数方程组，通常需要使用数值迭代方法进行求解。
The borehole trajectory design to be drilled well with defined direction needs to solve a set of 7-element nonlinear equations.
限定了目标点井眼方向的三维圆弧型井眼轨道设计模型是一个非线性代数方程组，通常需要使用数值迭代方法进行求解。
The borehole trajectory design to be drilled well with defined direction needs to solve a set of 7-element nonlinear equations.
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