实际速度

The performances of the proposed method are comparable with those of the matching pursuit. And the speed for image sparse decomposition is greatly improved. It will be help to the research of applications based on overcomplete sparse representation.

该算法在保证稀疏分解性能的同时，极大地提高了稀疏分解的速度，为基于超完备图像稀疏表示的实际应用奠定了基础。

In order to become more practical for design of four-link the weft beat-up mecchanism, this paper presents a new the fuzzy optimization method based on considering the fuzzy randomicity of design parameters. By use of double objective optimization method, that is, for maximal accelerate of sley sword minimizing and coefficient of speed rate of sley sword traveling maximizing, mathematics model of the fuzzy optimization design of the four-link weft beat-up mechanism is set up. Calculation and analysis of pra...

设计更好地符合客观实际的四连杆打纬机构，在充分考虑各设计参数的模糊性的基础上，根据模糊方法学的基本理论提出一种模糊优化设计方法，采用使筘座的最大加速度最小，同时使筘座的行程速比系数最大的多目标优化方法，建立了该问题的模糊优化设计的数学模型，并对实例进行了计算与分析，获得最优的综合性能。

By use of double objective optimization method, that is, for maximal accelerate of sley sword minimizing and coefficient of speed rate of sley sword traveling maximizing, mathematics model of the fuzzy optimization design of the four-link weft beat-up mechanism is set up.

设计更好地符合客观实际的四连杆打纬机构，在充分考虑各设计参数的模糊性的基础上，根据模糊方法学的基本理论提出一种模糊优化设计方法，采用使筘座的最大加速度最小，同时使筘座的行程速比系数最大的多目标优化方法，建立了该问题的模糊优化设计的数学模型，并对实例进行了计算与分析，获得最优的综合性能。

The decreased threshold shear velocity and unsaturated sand flows at the stoss slope of the dunes resulted the erosion at the toe of the dune. Under the medium and low drifting-sand winds the sands being transported have divergence with that on the surface, the mean grain size of transported sands is lower than that on the surface and the sand transporting is a stochastic process.

起动剪切速度减小与不饱和风沙流是沙物质在横向沙丘迎风坡坡脚不能产生沉积的主要原因；再者，平均风速并不能完全反映野外实际状态下气流的性质，在低－中强度的风沙活动过程中，被输送的沙物质的粒度组成与下垫面物质有明显的差异。

In the paper, based on the analysis of velocity structure of near surface in a desert area, we study the transmittable laws of seismic waves in linear transition layers and compare simulated data with practical seismic records.

本文在沙漠地区低降速带速度结构分析的基础上，研究地震波在线性过渡体地层的传播规律，并同实际观测记录进行对比，从理论和实际上验证上述推论的正确性。

First of all, the book detailed the Fluent software and its related theoretical knowledge, and then through a typical example to explain Fluent in heat transfer, mass transfer and flow field, such as practical engineering methods and techniques, including the moving parts of the velocity field simulation, UDF and the use of UDS, parallel computing setting, rendering the calculation region and the definition of boundary conditions, Tecplot' s data processing.

全书首先详细介绍了Fluent软件及其相关的理论知识，然后通过典型的实例来讲解Fluent在传热、传质及流场等实际工程中的应用方法和技巧，包括运动部件的速度场模拟、UDF和UDS的使用、并行计算的设置、计算区域的绘制和边界条件的定义、Tecplot的数据处理等。

It is divided into three parts: In Part 1, based on mumerical simulations with the pseudo-spectral method, we introduced some new concepts such as the response speed of soliton interaction, the symbol correlation range, etc., and simplified the evolution problem of general soliton sequencies into the evolution problem of finite equivalent classes of words on a unoriented circle, and then gave out the count formula of the equivalent classes by Pó1ya theorem.

全文分三个部分：第一部分以利用拟谱方法所做的大量数值模拟为基础，分析光纤孤子通信系统中一般编码孤子序列的演化性质，提出孤子相互作用传递速度概念，通过考察通信系统的实际情况，引入码元关联长度K，把一般编码孤子序列的演化问题归结为无定向圆环上有限个不等价码字的演化问题，最后利用Pólya定理解决了不等价码字的计数问题。

Aiming at ShengPing oil field low recovery percent, production rate, composite water cut and far well spacing, by untabulated reservoir well testing, development potential analyses and a series of important measures analyses, this paper takes infilled well pattern to improve oil field developing efficiency.

本论文针对永乐油田采出程度不高，综合含水较低，采油速度较低，井距又相对较大的实际情况，通过开发潜力分析及对油田开发过程中所进行的一系列重大调整措施效果分析研究的基础上，提出了通过实施以加密调整为重点的综合调整措施，达到改善和提高油田开发效果。

The method uses directly the volumetric data information,so it can achieve a high speed in processing.

该方法直接利用体积数据信息，处理速度快，部分实际数据的实验表明，这是实现实时局部路径搜索的有效方法。

According to the freight car s structure,this paper sets up a car model through NUCARS dynam ics analysis software.

根据货车车辆的实际结构，利用NUCARS动力学分析软件，建立了车辆模型，计算分析了车辆的临界速度，并重点分析了线路几种主要不平顺对车辆脱轨的影响趋势。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。