From our examples we can see difference equation method is a simple and practical method.

RESULTS Model of nonlinear difference equation that describes the growth of population has been established.

结果建立了描述种群生长的非线性差分方程模型.

Chemistry To bring ( an equation ) into balance.

[化学]使 ( 反应式 ) 平衡.

It is easy to see the conclusions described in the text follow from this equation.

很容易可以看出文中所述的结论是由这个方程式推出的。

The equation for thickness of film was obtained by the method of characteristics.

并利用特征线法,得到薄膜厚度的方程.

We are thus seeking the positive solution of the equation.

因而我们求方程的正根.

There is an equation between unemployment and rising crime levels.

失业人数增加则犯罪数量增加.

Quaternion definition and geometry meaning were described and quaternion movement equation was introduced.

阐述了四元数的定义、几何意义及四元数表示的运动学方程.

Mr Huang realized that the other part of the profit equation is revenue.

黄先生认识到收入是利润等式的另一个参数.

This figure is reached by a fiendishly clever equation.

这个数字是通过一个精妙的方程式计算出来的。

But the other side of that equation is that the U.S. needs to save more.

但是这个方程式的另一边是美国需要存更多的钱.

Use less energy, have lower costs. A simple equation.

简单的说来减少对能源的消耗量就等于节省了成本.

Far field radiation pattern is compared with that by closed form equation.

并与已知公式远场之场型比较近场与远场场型特性之差异.

This overall set of equations will now be determined.

现在将要确定这个总的方程组.

Lame-Maxwell equations of equilibrium have important applications in photoelasticity.

拉密 - 麦克斯韦平衡方程在光测弹性力学中具有重要的作用.

Economic models often lead to the study of systems of equations.

经济模型经常导致对方程组的研究.

Section 7.2 contains a resume of the fundamental equations.

第7.2节包括那些基本方程的摘要.

To derive the transformation equations , we return to Fig. 14-1.

为了求出这个变换式, 我们回顾图14 - 1.

The characteristic equations of the two equations are identical.

两方程对应的特征方程是恒等的.

Equations are generally written with a two-bar equals sign.

等式通常用两道横的等号来表示。

Such steps mean the simultaneous solution of either two linear equations.

这样的步骤意味着同时求解两个线性方程.