查询词典 approximations

By combining the two good linear approximations with the best linear approximations we present improved algorithms which could increase the attacking speed.

同时，将两个较好的线性逼近与最佳线性逼近相结合，给出了能够提高攻击速度的改进算法。

In theory of approximations, the classic methods of polynomial approximation for rational expression are various interpolations and operator approximations, such as Lagrange interpolation, Hermite interpolation and Bernstein polynomial approximation.

在逼近论中，用多项式逼近有理式的经典的方法是各种插值与算子逼近方法，如Lagrange插值、Hermite插值和Bernstein多项式逼近等。

In order to avoid the Maratos effect,the merit function s used are approximations to Flether s differentiable exact penalty function,and the algorithm updates approximations to one-sided reduced Hessian and two-sided reduced Hessian seperately.

为避免Maratos效应，我们采用Flether的光滑精确罚函数的逼近形式作为价值函数，并且分别对Lagarange函数的单边既约Hessian的近似阵和双边既约Hessian的近似阵进行校正。

Authors made use of shifted perspective, orthographic projection, approximations of axial or lateral projection, and approximations of parallel projection in illustrations depicting the detailed structures of machines and devices.

作者运用等同于移动透视、正投影、近似轴测投影和近似平行投影的画法和文字解说表达出机械、器物等的详细构造。

The accuracy of safe approximations is discussed. The computation method of safe approximations is put forward.

在探讨安全近似值保守程度的同时，对安全近似值的计算方法给予总结。

The set of absorbing boundary conditions based on paraxial approximations of 3-D elastic wave equations are applied to the numerical boundaries.

在此基础上进行了三维盐丘地质模型的地震波传播数值模拟试算。

In this paper, on the base of paraxial approximations, we present a set of absorbing boundary conditions of 3D elastic wave equations and apply to the 3D elastic wave numerical modeling in isotropic medium.

本文基於傍轴近似法提出了计算三维弹性波方程的吸收边界条件公式，表示了各边界面、边棱和角点处波场所满足的单程波方程，并在三维弹性波数值模拟中进行了应用。

There are various techniques for constructing analytical approximations to the nonlinear differential equation.

早期研究非线性振动的理论分析方法多局限於弱非线性振动系统，碰到强非线性振动系统就显的无能为力。

An asymptotic expansion of the errors with O(h3) is shown. Therefore , by using extrapolation we can improve the accuracy order of approximations.

该方法的优点在于奇点处权函数的选择，并且证明了误差有h3幂渐进展式，从而可以利用外推达到加速收敛的目的，更好地提高了计算精度。

Pickover's other criteria seem to be that a law should be at least moderately important and should hold true — with the usual caveats about appropriate circumstances and approximations.

Pickover还罗列了其他几条评判标准包括一条定律至少应该相当重要和能够真实成立——在特定的适用条件和近似下。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。