查询词典 approximative

Using asymptotic analysis and numerical optimization, approximative yield equations are obtained for the extended Gurson model, accounting for the void size effect.

通过渐近分析、数值优化的方法对参变式屈服曲线作进一步的近似，得到了考虑尺寸效应的修正的Gurson屈服形式。

Traveling Salesman Problem is a classic NP problem, which is the main standard of measuring the efficiency of approximative algorithms.

由于它简单易行、鲁棒性强，应用范围极为广泛，并且已在众多领域得到了实际应用，引起了广大学者和工程人员的关注。

In this paper, the wave heights in front of a vertical wave absorbing structure with rubble foundation aswell as in the wave chamber by using an approximative calculation method are described, and the dissipating effect of the structure is verified.

本文采用近似方法分析了明基床上直立式消波建筑物前的波高及消波室内的波高，从而确定建筑物的消波效果。

On the convergence of Newton's method in Banach space〓 Let F be an operator mapping from a real or complex Banach space X to another one Y, the Newton iteration 〓(2) is used to find the approximative solution of the equation (1), where the derivative is meant in the Frechet sense.

一、Banach空间中Newton法的收敛性〓设F是由实的或复的Banach空间X到同型空间Y的算子，求解方程(1)的Newton迭代为〓，0，1…，(2)其中的导数指的是在Frechet意义下的。

Evaluating three fracture models and the result of electrical analogy. electrical analogy to the production potential of vertical fractured wells is a kind of analogy between mechanism modeling and scale modeling, the result of it is approximative and the shape of the curve is relatively good, but it is relatively bad in quantification, it can be replaced by the result of mathematic simulation.

对三种裂缝模型以及电模拟结果进行了理论评价，认为对垂直裂缝井产能的电模拟是一种介于机理模拟和比例模拟之间的模拟，其给出的模拟结果是近似的，曲线形状比较好，但定量结果比较差，可以通过建立数学模型，用数学模拟结果取而代之。

An approximative mathematical model of the temperature controlling system has been constituted and simulated with various controlling strategy, according to the demanded function of the running Microwave Heating Asphalt Pavement Regenerate Repairer. From the result of simulation, it suggests that FPID Controller, which is of superior anti-jamming capability, overmatches Ordinary PI Controller, Traditional PID controller and Integration Separation PID Controller in dynamic characteristic. Consequently, this simulation of model offers a kind of valid method for the constitution of complicated system.

根据沥青路面修复要求实现的功能建立了温度控制系统的近似数学模型，对系统先后进行各种控制仿真，通过仿真发现，系统中模糊整定PID控制算法的动态性能比PI、PID和可积分分离的PID控制的性能要好，且具有较强的抗干扰能力，为复杂系统建模提供了一个有效途径。

I hope that this success is just the first in a long series.

我希望这只是成功的开始。

Three dimensional stresses on the interface of tire and soil, tire deflection and soil sinkage are measured.

测试轮胎——沙土界面上的三向应力、轮胎变形和沙土沉陷；建立考虑剪切应力对沙土承载特性产生影响的车轮牵引性能预测模型；分析车轮作用下土壤的纵向稳定性。