查询词典 numerical calculation

This paper presents a study on modeling the stability of dump slope using the techniques of limit equilibrium, numerical simulation, and numerical differentiation.

针对废渣场的废渣材料软硬比例发生了不利于堆放边坡稳定的特殊情况，应用极限平衡法、数值模拟及数值微分对渣场稳定进行分析计算。

Using the numerical differentiation, the differential equations can be transformed into algebraic equations. Then we can get the numerical solution from the algebraic equations.

但是数值微分对误差非常敏感，因此我们想到用对误差不敏感的数值积分代替数值微分。

But the numerical differentiation process is very sensitive to even a small level of errors. In contrast it is expected that on average the numerical integration process is much less sensitive to errors.

在DQ方法的基础上，本文提出了一种新的方法——基于最高阶导函数插值的微分求积(differential quadrature method based on the highest derivative，简称DQIHD)方法。

And the concept of numerical equality is the general form of all particular cases of numerical equality.

数的概念是变数，数相等的概念就是一切特定的数相等情形的一般形式。

The numerical method for the equation is studied and numerical simulation on a practical rotor-bearing system is carried out.

并针对具体的转子－轴承系统模型进行了数值仿真。

Due to its wide application in science technology, solving nonlinear multiple variants equation by numerical methods is one of the basic problems in numerical algebra.

由于在科学技术中的广泛应用，多元非线性方程组的数值求解一直是数值代数的基本问题之一。

Numerical result shows that the reconstructed scheme can simulate the flow structures better in wider range of wave numbers with lower numerical dissipation error.

数值结果表明，该格式扩大了原格式模拟的波数范围，且具有更低的数值耗散误差。

Through examples of learning to use numerical integration and numerical differential solve practical problems.

通过实例学习用数值积分和数值微分解决实际问题。

Then they are calculated in numerical integration and compared with the experimental data. The numerical results coincide with the experimental data.

并用数值积分的方法迭代求解该表达式，所得到的数值结果与实验数据吻合很好。

In designing the course of the use of electric drive and PLC, numerical control technology, electromechanical integration, Siemens Numerical Control System, and other aspects of knowledge and theories.

在设计的过程中运用了电力拖动与PLC、数控技术、机电一体化、西门子数控系统等方面的知识和理论。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。