查询词典 approximation

Another belongs to hybrid genetic algorithm,which is a hybrid of First Fit Decreasing approximation algorithms and genetic algorithms.

另一种是混合遗传算法，它综合运用解装箱问题的FFD（FirstFitDe－creasing）近似算法和简单遗传算法。

As a first approximation, we can assume 6dB per bit during the sampling process.

作为最初的估计，我们假设在采样过程中是6dB／位，因此，在16位线性采样情况下，我们可以得到如下结果

The economic effects of an increase in immigration are, at a first approximation, neutral.

粗略看来，移民增加产生的经济效果是中性的。

We first review two existing approximation approaches, and an exact approach proposed by Pearn et al.

本文一开始会先回顾三个针对此类问题的方法，其中两种为大样本时的逼近方法，另一个则是由Pearn et al。

At first, using paraxial approximation method, the orthogonal vector wave functions in the quasi-optical cavity are deduced.

它是涉及到器件、电磁场理论、天线理论和计算技术等方面的一项综合技术。

A formula of the frequency change has been deduced from the wave equation to the first order approximation.

从波动方程出发，导出频率改变的一级近似公式。

As a first approximation we might say that imperial sovereignty is defined by a constant collaboration between monarchical and aristocratic forces in the world.

大而言之，我们可以说，帝国主权是由世界上君主式力量与贵族式力量的不断融合而构成的。

Then the formulae of defect mode frequency,and the quality factor are obtained with the first order approximation.

研究结果表明：一级近似法能很好地解释中心频率附近介质层厚对缺陷模频率的影响。

The second focal length of the lense is independent of the incident kinetic energy of the electron at the first order approximation.

电子在整个系统中的轨迹，文中并讨论透镜焦点与电子入射位置的关系及透镜的鉴别率。

By applying the method of multiple scales to the reduced system,the first approximation solution for 1/3 subharmonic resonance of the system is obtained.

应用非线性振动的多尺度法求得系统满足1/3次亚谐共振情况时的一次近似解，并进行数值计算。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。