近似的例句大全

By using the definition of effective doping concentration gradient and depletion approximation, an analytical solution for avalanche breakdown voltage of double sided asymmetric linearly graded junction has been derived.

通过有效掺杂浓度梯度的定义和耗尽近似求解，得到非对称线性缓变结击穿电压的简洁表达式。

The relation between screening constant and temperature has been obtained by the approximate eigenfunctions of electrons in a crystal and Fermi-Dirac statistics.

本文利用晶体的电子近似本征函数和弗密&狄喇克统计得出屏蔽系数和温度的关系。

In use of ray acoustics and recursion relation, the sound reflection coefficients of arbitrarily many plates have been derived.

应用声线方法和递推关系导出任意多层平板的反射系数。忽略耦合水层两边的多次反射后，得到一组适合于瞬态和亮点分析的反射系数近似公式。

That is multi-direction extreme value approximate convex hull algorithm, and is called MDEV for short.

提出并实现了平面点集凸壳的一种新的近似算法 —— 多方向极值法.

Under a mild assumption on the inexactness, we show that the algorithm can find an e-approximate solution of the second-order cone programming.

在相对不精确的假设下，利用该算法可找到二次锥规划的ε-近似解。

Due to the model's inexactitude of traditional Kalman filter, we discuss adaptive filtering and BP neural network which are the improvement of traditional Kalman filter.

由于传统卡尔曼滤波算法模型建立的近似性，本文讨论了自适应滤波算法和BP神经网络理论，它们是对传统卡尔曼滤波算法的改进和突破。

Approximate potential method is applied to overcome the difficulty caused by nonlinearity.

近似势能法用于克服非线性带来的困难.

Because the situation of an actual river is so complex ( not as artificially channels) that using Manning's equation will lead to error inevitably.

因为天然河道形状复杂，故而在近似化为宽浅人工渠道并用曼宁公式处理时不可避免地会带来模型误差。

Besides, as it is very difficult in using Manning's equation to compute directly, traditional method made some approximation in application.

此外，由于直接采用曼宁公式计算比较困难，因此传统算法在实际计算时采取了一些近似方法。

In the traditional resistivity sounding method, the pole distance increases little by little with equal logarithm interval, which brings on grid irregular elements.

对于常规的直流电测深法，由于其电极距一般以近似等对数间隔逐渐增大，使得网格单元剖分呈现出不规则性。

This paper points out that if a sequence of Jacobian approximation satisfies the bounded deterioration, the sequence generated from the quasi& Newton methods is no better than linear convergence.

本文指出当Jacobian近似满足有界退化性质时，由拟牛顿算法得到的迭代序列最多是线性收敛的。

For a nonlinear system of ordinary differential equations, we construct an iterative sequence and prove that the sequence is bounded. Using the sequence, the approximate solution is obtained.

对于非线性微分方程组，构造了一个迭代序列，证明了迭代序列是有界的，利用迭代序列构造近似解的表达形式。

Most work in application often uses second order moment method and point estimation and bounded below method.

工程中常用的β分布近似方法有二阶矩法和点估计下限法。

A method by integrating partition of threshold switching surfaces with interval computation was proposed to get the conservative approximation of a timer event's irregular switching surface, which can solve the trouble when there exist timers in continuous blocks of hybrid systems and is hard to discrete.

针对混合系统的连续部分存在定时器时难于进行离散模型近似的问题，提出了一种结合阈值切换面划分和变步长区间计算的解决方案。

An Effective Method for Treating the Blanketing Effect of A Non-LTE Line

处理Non-LTE谱线覆盖效应的有效方法&近似A算子法

Its rational exploitation and utilization are given more and more attention of scholars. And they have achieved certain results. A lot of biotic environment can be seen as food-chain systems in reality.

种群资源作为一种再生性资源，它的合理开发与利用得到越来越多的学者关注，并取得了一定的成果，而且在现实世界中，有许多生物环境可近似看成是食物链模型。

The approximate equation of curvature correction factors F_c may be used for engineering in certain region.

曲率修正因子F c的近似计算公式在给定的范围内能够满足工程上的需要。

For the finally formed lamellar structure made up of α_2 and γ lami-nas, the mean value of interlamellar ( made up of α_2 and γ phases) spacing is approximately in inverse proportion to growth rate cubic root.

最后形成的由α2和γ组成的片层组织的片层间距λ与生长速率的V~（1/3）近似成反比关系。

An approximate equation of curvature correction factors F_c is proposed.

拟合出了曲率修正因子F c的近似计算公式。

According to the tested mechanical performance of coal sample, the plastic softening process of stress-strain curve is thought to be about a cubic curve, and the plastic softening theory about coal layer is used to deduce the inflection equation of roof.

根据煤样力学性能测试结果，把煤柱应力应变曲线的塑性软化阶段近似为三次曲线，应用煤层塑性软化理论，推导出了顶板弯曲方程。