这是一个三次方程，事实上是有一个公式可以解出。
方程为一元三次方程。
多项式，包括二次求根，三次方程式，余部定理。
Polynomials, including relationships involving the roots of quadratic and cubic equations, the remainder theorem.
在实际工作中为此要多次反复求解二元三次方程组。
In the practical work we have to obtain the solution of the binary third-degree equation again and again for many times.
从而解决了任意一元三次方程的实数根的分布的问题。
Thus solves the distributed problem of optional simple cubic equation's real root.
本文将三次方程简化为二次方程，使计算得到很大简化。
In this paper, the cubic equation is simplified into a quadratic equation, thus greatly simplifying the calculation.
调查问卷的统计结果显示，我国大学受赠量模型的一般形式为三次方程式。
The questionnaire concludes that the model of quantity is a cubic equation.
本文论述曲线族的方程为关于参数的三次方程时，其包络曲线方程的初等求法。
This paper discussed an elementary solution to the envelope of a kind of family of curves of which the equation was one of the cubic equations in regard to a parameter.
计算部分预应力混凝土梁开裂后截面应力时，需求解中和轴高度的三次方程，使计算显得比较复杂。
It is rather complicated to compute the neutral axis in partially pre-stressed concrete beams after cracking, since we have to solve a cubic equation.
在铸钢件冒口设计中，模数法是一个广泛应用的计算方法，三次方程解析法是模数法中较为严密的计算方法。
In riser design of steel casting, modulus method is the most widely used method, and the cubic equation method is a most close method in modulus method.
在铸钢件冒口设计中，模数法是一个广泛应用的计算方法，三次方程解析法是模数法中较为严密的计算方法。
In riser design of steel casting, modulus method is the most widely used method, and the cubic equation method is a most close method in modulus method.
应用推荐