He helped me solve a mathematical equation.
他帮我解出了一道数学方程序。
The solution can be expressed by a mathematical equation.
答案可用一个数学方程式来表示。
A model cannot be proven to be true like a mathematical equation or a hypothesis.
一个模型不能，像数学公式或假说那样，被证明是真实的。
Among them, mathematical equation in the final exam also won first place on their achievements.
其中，数理方程在期末考试中还获得了第一名的优异成绩。
The method can also be applied to solve more nonlinear mathematical physics equation or equations.
这种方法还能用来求解更多的非线性数学物理方程或方程组。
The mathematical expression of this model is a second order non linear ordinary difference equation.
该模型的数学形式是一个非线性二阶常微分方程，利用有限差分方法进行求解。
By equation we mean a mathematical expression in which the two sides balance.
所谓方程式，是指两边相等的数学式。
The accurate velocity potential equation is chosen as a mathematical model of the problem.
选用精确速势方程作为问题的数学模型。
The fully potential equation is chosen as the mathematical model.
选用全势方程作为数学模型。
It is very helpful for mathematical physics equations to study wave equation.
因而对波动方程的精确可控性研究也有非常重要的意义。
It is very helpful for mathematical physics equations to study wave equation.
因而对波动方程的精确可控性研究也有非常重要的意义。
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