查询词典 network

Library circulation record analysis helps to understand users' needs and satisfaction. This research is the first one that uses graphic method to analyze Library circulation records baseing on Complex Network. The researcher built Library circulation network from Library circulation records through the relationship between users and that between users and books. The research attempts the following analyses:(1) Properties of Library circulation network;(2) The phenomenons and trend of Library circulation network;(3) Motif inside Library circulation network.

分析图书馆读者之借阅记录有助於了解读者的需求及对图书馆服务满意的程度，本研究为国内首次以复杂网路理论为基础，用图形化网路方法来分析图书馆借阅记录，透过读者间借阅的关系，把图书馆读者之借阅记录转化为图书借阅网路，探讨其：(1)图书借阅网路基本性质；(2)图书借阅网路之趋势变化；(3)图书借阅网路基调。

Aiming at the disadvantage of conventional BP neural network, such as selecting parameter values by the empirical method, slow convergence speed and easy trap into local minimum points, this paper designs an improved BP neural network system. In order to improve the network convergence rate and reduce the training error, this paper optimizes the initial connecting weight value of neural network by the use of ant colony algorithm and trains artificial neural network by Levenberg-Marquardt algorithm.

针对常规BP神经网络参数的经验式取值方法以及收敛速度慢，容易陷入局部最小点等缺陷，设计了一种改进的神经网络系统，利用蚁群算法优化神经网络连接权初值，并采用LM算法对人工神经网络进行训练，提高了网络的收敛速度，降低了训练误差。

The main work in this paper as follows: the concept and system of the network user's behavior has been studied, and the user has been classified by those in this basic; the frame, step, module function of establishing network user's behavior analyzing system has been discussed and some common methods in network customer's behavior analyzing process have also been discussed; the information source of the network customer's behavior analysis system has been studied in this paper, and also combined the relevant processes which came out by web data mining methods; the data-processing software was developed by VC and SQL Server 2000. The Web log data in SWUST campus network have been analyzed by gathering type and regression.

本论文主要工作如下：研究了网络用户行为的概念与体系，并在此基础上进行了用户分类；探讨了建立网络用户行为分析系统的步骤、框架和系统各模块的功能，以及网络用户行为分析过程中的一些常用方法；研究了网络用户行为分析系统的数据源，并结合Web数据挖掘方法提出了相应的处理方法；利用VC和SQL Server 2000开发了用于数据处理的软件；利用聚类和回归分析方法，研究了西南科技大学校园网中的Web日志数据。

In this paper, the theory of artificial neural network is summarized; the analyse on BP neural network model is put stress on. For the predominance of artificial neural network"s dealing with non-linear complicated relation, the technology of artificial neural network is introduced into the evaluation of the highway bridge"s carrying capacity; and the preferences , the collection and disposal of stylebook, the structuring of BP neural network model are analyzed.

文中对人工神经元网络理论进行了综述，重点对神经元网络的BP算法进行了分析，利用人工神经元网络处理非线性复杂关系的优势，将人工神经元网络技术引入到公路桥梁承载力评估中；并对其中的参数选择、样本收集与处理、构造BP网络模型等进行了分析。

This text passes and analyses network technology characteristic and the general demand for campus network at present and practical application, it accords with systematic model of campus network of the network application demand in the campus at present to probe into, have used "top-down design philosophy " in networking, have discussed that tightens mode, all netted modes, some netted structure modes, the third layer of network technologies of exchanging the mode, wait a moment to three swapper, division and some key equipment and development of application system of VLAN odd key technology problems go on research.

本文通过分析网络技术特点和目前校园网的普遍需求及实际应用，探讨符合目前校园网络应用需求的校园网系统模型，在网络建设中运用了"自顶向下"的设计思想，讨论了紧缩模式、全网状模式、部分网状结构模式、第三层交换模式的网络技术，对三层交换技术、VLAN的划分及一些关键设备和应用系统的开发等等几个关键技术问题进行了研究。

The research of industrial group is the action that discusses a business not just, and the research; that is area whole not only be interior of area of be confined to spin with innovation, and the interior that must pay close attention to area innovation network is outspread with open sex; its content also not network of the industry inside area of be confined to or economic network, the human relation network between the network of informal human relations in society inside area and each one, promoting knowledge accumulate, flow and appreciation, and maintain a respect trustfully to produce tremendous effect.

产业集群的研究不仅仅是探讨企业的行为，而且是区域整体的研究；不光是限于区域内部的结网与创新，而且必须关注区域创新网络的内部延伸和开放性；其内容也不限于区域内产业网络或经济网络，区域内非正式的社会关系网络和各人之间的人际关系网络，在促进知识的积累、流动和增值，以及信任的维持方面发挥巨大作用。

The uniform approximation of normal wavelet neural network and the robust analysis of wavelet neural networks of the combination of Sigmoid function are detailedly introduction; Multiple model failure detection based on wavelet neural network is demonstrated detailedly; At last, the failure diagnosis results of aerocraft is present seperately by employing wavelet neural network and BP neural network, and the fault diagnosis of areocraft system by wavelet neural network is achieved.

论文以小波神经网络为研究对象，提出了一类新的加权小波基，分析证明了加权小波基的诸多良好特性；对于常见小波神经网络的一致逼近特性、S型函数组合小波神经网络的鲁棒性分析、多模型小波神经网络的故障检测等问题给出了详细的论证；最后，针对歼击机的常见故障问题，分别给出了应用小波神经网络和BP神经网络的故障诊断结果，实现了小波神经网络对飞机系统的故障诊断。

Is a company engaged in data network communications equipment sales and technical services, specialized company, focusing on basic data, as well as its network of value-added network, network security, network performance optimization and other fields.

成都元素科技有限公司是一家从事数据网络通信设备销售和技术服务的专业化公司，重点关注基础数据网以及其网络增值、网络安全、网络性能优化等领域。

The first part initiates with the signification of the right of privacy, elucidates the definition of right of privacy and network privacy right, analyses the characteristics of network privacy right that distinguish it from conventional right of privacy; the second part details the current situation of personal privacy violation in the cyberspace and violation modes as well as types; the third part summarizes and compares the network privacy right protection modes and legislation frames of the typically USA and EU law systems;the fourth part depicts and analyses the situation of protection to network privacy right in China;in the last part a proposal on constituting national protection system for network privacy right is presented,i.e.,establish the primarily legal protection, accessorily vocational self-discipline and technology protection mechanism based evenly on interests of the state, users' rights of privacy and industrial revenues.

本文共分五个部分，第一部分从隐私权涵义入手，阐明了隐私权和网络隐私权的定义，分析了网络隐私权区别于传统隐私权的特征；第二部分阐述了目前网络空间中个人隐私权遭受侵害的现状及侵权方式及类型；第三部分对以美国和欧盟为代表的两大体系在网络隐私权保护模式与立法框架上做了总结和比较；第四部分阐述和分析了我国法律对网络隐私权保护的现状；最后在第五部分对构建我国网络隐私权法律保护体系提出了建议：即在兼顾国家利益、用户个人隐私利益和行业利益的基础上建立以法律保护为主，以行业自律和技术保护为辅的保护机制。

The process of establishing neural network is as follows: two-layer neuronic network configuration is selected, S-type active function is used, input parameter of network are selected for thickness, preheat temperature, heat input and sampling point, output parameter of network is selected for fracture toughness property CTOD, learning algorithm of network is used for back-propagation algorithm.

本文选择了2层神经元的神经网络结构，采用S型激活函数，将板厚、预热温度、线能量、取样位置作为神经网络的输入，将环焊接头的裂纹尖端张开位移CTOD值作为网络的输出，通过BP算法的网络学习，采用VC语言建立了X70管线钢环焊接头CTOD与环焊工艺之间的神经网络。

He and Nina moved to California and lived at 2005 Ivar Street, Apt.

他和Nina搬到加州，并在2005年伊瓦尔街，公寓生活。

Droperidol （ potently inhibits transfected HERGchannels and this is the probable mechanism for QT prolongation.

氟哌利多有效地抑制了转染的 HERG 钾通道，可能是 QT 间期延长的机制。