优势原理

The numerical result demonstrates the performance of the system is deteriorated by , considering the chromatic dispersion and nonlinearly effect of the transmission medium. In chapter 3, in order to realize huge capability and trustiness of OCDMA system .

首先较全面的介绍了OCDMA基本原理和系统构架、归纳了OCDMA系统关键技术、回顾与总结了OCDMA技术的发展历史和研究的现状、在此基础上指出了OCDMA技术的优势与所面临的问题。

The paper first introduces the basic principle of Karhunen-Loeve decomposition for stochastic processes, and outlines the essential properties of the decomposition. A method based on the Hartley orthogonal bases is proposed to decompose stochastic processes.

介绍了随机过程Karhunen-Loeve分解的基本原理，指出了其在随机过程展开中所具有的优势与局限性，针对Karhunen-Loeve分解在求解特征问题中存在的困难，采用Hartley正交基作为展开函数，发展了一类基于Hartley正交基的随机过程展开方法。

The thesis make integrative use of management theories, economics, demotics, psychology, systematology and information science to systematically study the following topics: the principle of knowledge innovation in the enterprises, the interaction between the knowledge innovation and the competitive advantages, the relationships between the knowledge innovation and the organizational structure, the interaction between the enterprise culture and the human resource management.

本文利用管理科学、经济学、社会学、心理学和信息系统科学等多学科理论和方法，对企业知识创新的原理，企业知识创新与企业竞争优势的关系，企业知识创新与企业组织结构、企业文化和企业人力资源管理的相互作用关系，以及企业与其他组织之间的知识战略联盟进行了系统的研究，提出了一些新概念、新模型和新方法。

Based on the advantage of artificial lung, the background, principle and materials of membrane oxygenator are descried briefly.

在明确了膜式人工肺优势的基础上，简要介绍了其产生背景、原理和材料。

In the research area, Barkol Lake Area, situated in the Barkol Basin of Xinjiang,China, 7 landscape elements were derived from pseudo color Landsat TM in 2000 by image enhancement and interpretation. Based on GIS and theory of the landscape ecology, secelected fractal dimension,separation, diversity Shannon-weaver, degree of consistency, degree of fracture and dominancy index, analyze the spatial pattern of the landscape.

运用景观生态学原理，借助地理信息系统，以LANDSAT TM标准假彩色合成影像数据作为主要信息源，经过图像增强处理和解译，结合各类地理统计数据，将研究区划分为7个景观类型，采用分离度、景观分维数、多样性、均匀性、破碎性、优势度等项景观指标分析了研究区的景观空间格局特征。

This paper reviewed the principle of electrokinetic in situ remediation of contaminated groundwater and soils by electrokinetics and its newest advances in research and applications, expatiated on the advantages of this technology over other technologies, pointed out the obstacles to overcome in using this technology, and discussed the possibilities in full-scale commercial applications.

综述了电动力学修复技术原理及近几年来其在重金属修复中的最新研究进展，阐述了电动力学修复技术相对于其它修复技术的优势，并指出了电动修复技术中需要克服的技术障碍，探讨了其大规模商业应用的可行性。

With that, emphases were be put on the basic principle、methods and its advantages in the study on the characteristic of the microcell based on ray tracing method of determinate analysis means.

接着重点阐述了利用射线跟踪技术这种确定性的分析方法预测无线电波传播特性的基本原理、方法，以及它在微蜂窝小区的电波传播特性研究中的优势。

All of them are homologous in DNA on level of molecule, but the specificity is obvious. It can be known that the flocculant produced by the compound bacteria is able to flocculate lysine wastewater, chrome black T wastewater and kaolin suspension etc.

单一菌种对营养物质的利用极为有限，依据生物多样性及不同微生物群具有不同营养生态位的原理，进行不同菌群之间的组合，有望实现优势匹配和超产的目标[1~4]。

Magnetostrictive liquid level sensor, a kind of instrument for measurement of liquid level, is worked out on the basis of combined use of many technologies such as magnetostriction, flotage principle, electromagnetism induction and electron-technique. The measure instrument has many specialties, such as the error is tinier, the reading is righter, the range of measure is broader, the maintenance and useness is very convenient. As compared with common liquid level sensors, this kind of sensor has a lot of special advantages for high-precise measurement of liquid level.

磁致伸缩液位传感器是综合利用磁致伸缩效应、浮力原理、电磁感应、电子技术等多种技术研制而成的液位测量仪表，该传感器系统具有测量误差小、读数准确、测量范围大，维护及使用方便的特点，它在高精度液位测量领域中相对于传统液位传感器具有许多独特的优势。

In order to find and establish the superiority of disparity for Guizhou's tourism,the paper takes the present situation of Guizhou's tourism as the starting point in consideration, uses the basic principle of the marketing difference and puts forward directing ideas and suggestions.

本文从贵州旅游业的现状出发，运用营销差异化的基本原理，为寻求和建立贵州旅游业的差别优势，促进贵州旅游业的可持续发展提出了有针对性的意见和建议

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。