1.
a biquadratic equation [ root ]
四次方程式[乘根]
2.
Moreover equations of degree higher than quartic often arise in equilibrium calculations.
况且，在平衡计算中常常发生比四次方程还高的高次方程。
3.
descartes's solution of a depressed quarto equation employs the method of undetermined coefficients
笛卡儿的分解四次方程的解法采用待定系数。
4.
Accurate Analysis of Two Root Algorithms on Solving Quartic Equation
一元四次方程2种根式求解算法的精度分析
5.
Use the Trigonometric Function Solutions of Fourth Order Equations to Study the Event Horizon of Non-sphere Symmetric and Non-stationary Black Hole
基于四次方程的三角解研究非球对称动态黑洞的“类视界面”
6.
ON SOLUTIONS OF FERMAT EQATIONS IN Q(5~(1/2))
Q(5~(1/2))上的四次Fermat方程
7.
The Solution of the Continuance Linear Differential Equation that Coefficient Contain Four Number of Times Function;
四次函数连续性线性微分方程的解法及其推广
8.
Quadratic-Based Computation of Four-Impulse Optimal Rendezvous between Near Circular Orbits
基于二次方程组的邻近圆轨道四冲量最优交会
9.
A Particular Solution to the Fourth Order Linear Constant Coefficient Non-Homogeneous Differential Equations
四阶常系数非齐次线性微分方程特解的解法
10.
An Algebraic Multigrid Method of Quadratic Lagrangian Finite Element Equations under the Unstructured Quadrilateral Grids;
非结构四边形二次Lagrangian有限元方程的代数多重网格法
11.
The Kink Solutions of a Nonlinear Equation with Quartic Polynomial Potential;
一类具有四次多项式势的非线性波方程的扭结波解
12.
The Riemann-Hilbert Boundary Value Promblem for a Class of Hyperbolic Equations in Commutative Quaternion Space
可交换四元数空间中一类非齐次双曲方程的Riemann-Hilbert边值问题
13.
an equation of the first [second] degree
一 [二] 次方程式
14.
A cubic expression, curve, or equation.
三次表达式，三次曲线，三次方程
15.
We can raise any number to the fourth power by squaring it twice.
我们能把任一数平方两次就得到它的四次方。
16.
High school students study only four or five subjects at a time.
中学的学生每次仅学四至五门课程。
17.
After four years' development, the scale of Wuhan farm machinery exhibition expanded gradually, the grade of it increased year by year, the area of exhibition exceeded10 thousand square meters.
经过四年的发展历程，武汉农机展规模逐步壮大，档次逐年提高，展览面积超过1万平方米。
18.
A kind of complete automatic subdivision method for mesh of hexahedron based on quadratic subdivision of tetrahedron was put forward and the corresponding program was developed.
提出了一种基于四面体二次剖分的六面体网格全自动剖分方法,研制了相应的程序。