介绍情况的

Adaptive α-β filter algorithm was introduced, and then it was compared to ISR filter algorithm and Kalman filter algorithm, the mean square deviation of distance, position, speed and direction of these algorithms on the flight line was analyzed to discuss the specific use of the three filters in straight-line flight and about-ship straight-line flight.

介绍了一种改进的α-β滤波算法，然后将它和最小二乘滤波算法、卡尔曼滤波算法进行比较，对三种算法跟踪空中目标的直线飞行、改变航向的直线飞行两种情况的距离、方位、速度和航向等参数的均方差加以分析，证明了改进的。

The this article first part introduced the direct sale the concept and the direct sale spread to the Chinese winding development situation, then in analysis small direct sale enterprises external environment present situation and internal capital, product, talented person and management question, finally aims at these questions and the retail trade giant to the marketing channel monopoly present situation, the union direct sale pattern uses each marketing method to give a terminal sale plan to explain, how the small direct sale enterprise should defer to the direct sale Fathom channel innovation to strive for the survival and the development.

本文第一部分介绍直销的概念和直销传入中国曲折的发展情况，然后分析中小直销企业的外部环境现状和内部资金，产品，人才和管理的问题，最后针对这些问题和零售业巨头对销售渠道的垄断的现状，结合直销的模式利用各种营销手段给出一个终端销售策略来说明，中小直销企业应如何依照直销法通过渠道创新来求生存和发展。

In automobile electrical check process,frequently can meet exchanges the situation which the new fuse blows a fuse immediately,moreover these breakdowns processing and the inspection quite are generally complex,The automobile services and drives the personnel frequently to be unable to inspect,The partial personnel even use replace a larger capacity fuse to replace,Has created a bigger harm,Serious also can create the fire equipollent major accident,This article from inserts the fuse is the fuse principle analysis obtains,Key introduction overhaul method and method,Thus is faster accurately looks up the breakdown reason and the spot.

在汽车电路检查过程中，经常会遇到换上新的保险丝立即熔断的情况，而此类故障的处理与检查往往比较复杂，汽车维修与驾驶人员常常无从入手，有的甚至采用更换更大容量的保险丝代替，造成了更大的电器损害，严重的还会造成火灾等重大事故。本文从插保险丝即熔断的原理分析入手，重点介绍检修的方法和手段，以便更快速更准确地查到故障原因和部位。

In this paper, according to the research and application of fishway at home and abroad, and in combination with in-situ research, the construction, development process and main structure types of the fish-passing facilities are detailed introduced, the fishway board type, its corresponding hydraulic characteristics and the general principles of fishway design are listed, the differences of application conditions and the design issues involving in the fishway are analyzed.

通过国内外鱼道研究、应用资料以及现场调研，比较详细地介绍了国内外鱼道设施的建设、发展过程和鱼道结构所包含的主要类型；列出了国内外多个鱼道隔板型式和相应的水力特性；总结了鱼道设计的一般性原则；分析了国内外鱼道过鱼条件和适用情况的差异以及我国鱼道设计中存在的问题等。

For the current situations that electrical power operation environment is more complex, the power organization reformconstantly, the electricity market is formed step by step, the current electrical equipment is outdate, and for the so many problems that lowenergy efficiency, poor power quality, less interaction between customers and power grid company, this paper defines the smart grid that is suited to China's power grid situation, and summarizes five features for the smart grid such as self-healing, interactive, optimization,compatibility, integration and the differences between smart grid and traditional grid, then introduces the four systems of smart grid and two foundations before building the smart grid, and finally concludes that smart grid is the inevitable result for the economical and technological development.

针对目前电力运行环境的日趋复杂、电力体制改革的不断前进、电力市场的逐步行成、现有的电力设备亟待更新、能源利用率低、电能质量差、用户与电网公司交互作用少等诸多问题，讨论了适合中国电网情况的智能电网的定义，总结出了智能电网自愈、互动、优化、兼容、集成五大特点，概括出了智能电网和传统电网的区别，并详细介绍了构成智能电网的四大体系和建立智能电网的两大基础，最后总结出智能电网是经济和技术发展的必然结果，我国应加快智能电网的研究发展。

The block-based fractal image compression method has a low compression ratio, so simple region-based fractal image compression is introduced, then the competitive region-based fractal image compression method is presented. The experimental results show that the compression ratio is effectively improved at a similar PSNR value.

由于基于块的分形图像压缩方法的压缩比不高，对此进行改进，先介绍简单的基于区域的分形图像压缩，然后提出基于区域的竞争分形图像压缩算法，并进行实验，实验结果表明，该方法在保持一定的信噪比的情况下，有效的提高了压缩比。

An online monitoring system of partial discharge in GIS based on ultra high frequency method is introduced in this paper,it can be real-time monitoring the discharge of fixed particles, unbound particles, floating electrode and insulation defects, accurately reflecting the state of 1000kV GIS.

介绍一种基于UHF方法的GIS局放在线监测系统，可以实现对1000kV GIS内部固定粒子、自由粒子、浮动电极及绝缘缺陷放电情况的实时监测，准确反映1000kV GIS的状态，给1000kV GIS的运行维护工作带来很大帮助。

Is one of the cursing or imprecatory Psalms which, as stated in the introductory lesson, find their key in the millennial age and the events introductory thereto.

就是其中的咒骂或imprecatory诗篇，如在导言的教训，找到自己的关键在千年的年龄和活动，介绍情况。

The essay gives introduction to the function and features of the intellectual empty pumping controller which can overcome the empty pumping phenomena during the working time of pumping unit, comparing with the economics and technology used in the oil fields, formulizes the applicable significance of intellectual empty pumping controller.

文章介绍了一种能较好克服油井抽油过程中空抽现象的智能型空抽控制器的主要功能特性，并通过在油田使用情况的技术、经济对比，阐述了智能型空抽控制器在抽油过程中的应用意义。

The subject matter of these meetings was written in prose and verse on village blackboards. Generally it concerned the course of the war, the assurance of victory and sometimes the causes of the war.

村里黑板报上的文章和诗歌就是根据这类会议的内容写的，一般是介绍作战的情况，树立必胜的信心，有时也解释战争的起因。

The big eared hedgehog, the little owl, the sand gecko, the three-toed jerboa, and every show needs a villain - saw-scale - the viper!

大耳刺猬，小猫头鹰，沙壁虎，三趾跳鼠，每场戏都需要反派角色：蝰蛇。

Plasmodiophora brassicae ; resting spores ; density gradient centrifugation of sucrose ; ultrasonic disruption

根肿；休眠孢子；蔗糖密度梯度离心；超声波破碎