a method for the determination of bromhexine hydrochloride and its tablets by hplc was establish.

flow monitor system of electronic government network based on mrtg

基于MRTG的电子政务专网流量监控系统

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this paper introduces the concept and working principles of vpn, advances some problems of constructing vpn that are easily ignored, and analyzes on these problems.

介绍了VPN（虚拟专网）网络的概念及工作原理，提出组建VPN网络时存在一些容易忽视的问题，并就那些问题进行了分析。

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the application of mobile vpn can not only save the cost of private network for enterprise but also provide users with movable and quality-assurance data channels.

移动VPN技术的出现，可以为企业节省专网费用的同时，也能为企业用户提供移动的、有质量保证的数据通道。

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application of iden network in location and navigation of logistics vehicles

iDEN专网在物流车辆定位导航中的应用

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at present, electronic check is mostly applied to b2b ec and its network media is special network only supporting edi.

目前，电子支票较多的应用于B2B电子商务中，网络平台也主要集中在EDI专网。

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for the advantages of mpls vpn, it will act as a very important role in enterprises private networks technology area in the future.

基于MPLS VPN技术存在较大优势，本文提出MPLS VPN将在今后企业专网组网技术中扮演非常重要的角色。

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ipsec protocol made by ietf is a serial of open ip secure standard based on ip network and it is the base of virtual private network.

IPSec协议是一系列基于IP网络，由IETF正式定制的开放性IP安全标准，是虚拟专网的基础。

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mpls enhances the services that can be provided by ip networks, offering scope for traffic engineering, guaranteed qos and virtual private networks ( vpns).

MPLS可以提高IP网的服务质量，这些服务包括：流量工程、QoS、和虚拟专网（VPN）。

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the designed systematic framework of aero-jinsui intranet using vpn technology is very clear, and can satisfy security requirements of the aero-jinsui information system.

利用VPN技术构建的航天金穗网络内联网，其体系结构非常清晰，是一个可满足航天金穗信息系统安全需求的虚拟专网。

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the advantages of vpn technologies in telecommunication applications and the strategies for constructing the vpn networks and expanding the vpn services are present.

通过与传统专网组网技术的比较，指出了VPN技术在电信业务应用的优优势，提出了快速组建VPN网络、部署VPN应用的策略。

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and we also gave the mstp technology application a detailed analysis and presentation.

并对MSTP技术在国税专网的应用进行了详细的分析和介绍。

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application and further development of the ngn soft switch technique are discussed, as well as relevant problems.

论述了NGN软交换技术在电力专网的应用、发展及面临的问题。

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virtual private networks ( vpn), which is built on the basis of ip technology, is rapidly becoming the basis of networks service.

建立在IP技术基础之上的VPN（虚拟专网）正快速成为新一代网络服务的基础，众多的服务供应商都纷纷推出了基于自身VPN传输网的各类增值服务。

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ctt net is a high speed broadband ip network with concentrated condition and unified management, which can provide users with internet access, mpls-vpn and other functions.

中国铁通互联网是实行统一管理、集中调度的高速宽带IP网络，可向用户提供互联网接入、多协议标签交换虚拟专网等业务。

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the author is responsible for physical layer dsp development and the simulation and implementation of corresponding algorithms for the wireless communication system during my internship period.

本文作者在实习期间主要负责，无线专网通信系统的物理层的DSP开发，包括驱动开发和相应算法的仿真与实现。

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this paper presented the virtual telephony network, p_vpn. the architecture of p_vpn includes management layer, transmission layer and control plane.

文章提出了电话虚拟专网P VPN安全模型，其体系包括管理层、传输层和控制面。

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gigabit exploration storage personal network nas system's foundation and application

千兆勘探存储专网NAS系统的建立和应用

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traffic observation system based on vpn

基于虚拟专网（VPN）的交通观测系统研究

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vpn virtual private network is a private special network built in public net of internet.

VPN虚拟专网是在互联网公用网络上建立私有的专用网络。

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the proprietary network of electronic government based on atm network is specifically designed for government agencies.

基于ATM网络构建的电子政务专网，是专门为政府机构设计的。

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