计算机网络

The network is liable to be attacked by the hacker and virus because of the fluidness of information, the distribution of resource, the opening of connection and diversity of connection forms. So the security problem is become more and more serious.

由于计算机网络具有信息的流动性，资源的分布性，连接的开放性和连接形式的多样性等特征，致使网络易受到黑客和病毒的攻击，因此计算机网络的安全问题变得越来越突出。

Computer network is a rapier which,on the one hand,has offere d good opportunity for the moral development and quickened the steps for moral pro gress,and on the other hand,has caused moral degradation.

计算机网络是一柄锐利的双刃剑。一方面，计算机网络的发展为人类道德进步提供了难得的机遇，催动了人类道德发展的进程；另一方面，也引发了严重的网络道德的失范。

Development of web teaching resources is one of the important and key components of remote instruction system.

0引言现代远程教育是随着计算机网络技术、现代信息技术的迅速发展而产生的一种新型的教育形式，这种以计算机网络等高科技手段为载体的双向交互式教学形式在现代教育中扮演了重要角色，在网络环境下为学习者提供丰富的多媒体教学资源和有效的学习情境，是远程教育、教学首先面临

The development of computer network first-generation: remote terminal connections in the early 1960s facing the computer network: the main terminal is the center and network controllers, terminal distribution and host everywhere, users through local terminal use remote host.

计算机网络的发展第一代：远程终端连接 20世纪60年代早期面向终端的计算机网络：主机是网络的中心和控制者，终端分布在各处并与主机相连，用户通过本地的终端使用远程的主机。

Beijing Sunshine node computer network Technology Co., Ltd. since its inception, based on the information industry, computer network technology research and development, system integration in one, to provide users with network platform, system platform, application platform, such as a full range of technical services.

北京阳光节点计算机网络科技有限公司自成立之日起，立足于信息产业，集计算机网络技术研究发展、系统集成于一体，为用户提供网络平台、系统平台、应用平台等全方位的技术服务。

Including TCSEC (Trusted Computer System Evaluation Criteria; commonly called the "Orange Book"), which is a standard for computer security issued by the US government; ITSEC(the Information Technology Security Evaluation Criteria), which is a standard for computer security that was issued by the Europe, CC, which is a world standard for computer security; GB 17859-1999, which classified criteria for security protection of Computer information system in China.

本文论述了计算机网络安全现状、评价现状，以及网络信息安全评估标准，包括美国可信计算机安全评价标准，欧洲的安全评价标准，国际通用准则(CC，等同GB 18336)，我国计算机信息系统安全保护等级划分准则(GB 17859-1999)。

Computers and computer networks, the rapid development of people's reliance on computer networks is growing.

计算机和计算机网络的飞速发展，人们对计算机网络的依赖是越来越大。

With the quick development of the computer network and commonly application of the Internet technology, data processing has no longer been limited to run on one specific computer in the network like before, but now it requires all the computers be participated in the great environment of the networking. So, it is essential that using the Mobile Agent technology based on the intelligent computer and the networked process to solve the complicated, dynamic and distributed intelligent application problems.

随着计算机网络的飞速发展以及Internet相关技术的普遍应用，数据处理已经不再局限于网络中的某一台计算机上运行，而是要求所有计算机都参与到网络这一大环境中，这就需要基于智能化和网络化进程的移动代理技术来解决复杂、动态和分布式智能应用的问题。

To solve the problem of internetworking on heterogen eous networks is very important, and network real-time communication is also a hotspot in network applications.

摘 要：解决异构计算机网络的互连问题至关重要，网络实时通信也是当前计算机网络应用的热点。

Because of the technique progress in computers and the quick development in communication networks, the optimum design of the link capacity has become a key problem in the computer networks.

由于计算机技术的进步和通信网的快速发展，已使计算机网络链路容量需求的优化设计成为计算机网络设计中的关键问题。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。