查询词典 numerical method

The numerical results compared with the available experimental data and the numerical solution are encouraging.

计算结果与现有的实验及数值结果吻合较好。

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。

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。

The results show that proper use of numerical calculation procedure can reduce numerical error dramatically.

结果显示，采用适当的值计算方法，仅可以低计算，能够大幅低误差，根据实际计算的结果，可低444倍。

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。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。