现代社会对于通信的依赖性越来越强，因此网络的保护和恢复是网络建设和维护的关键之一。
Modern society is increasingly depending on communications, therefore network protection and restoration has become one of the key elements of network construction and maintenance.
讨论有线电视网络中传输数字电视存在的问题，并对HFC网络建设和维护等技术问题进行探讨。
This article discusses some problems of wired television network in the transmission of digital TV, probes into some technical aspects in the construction and maintenance of HFC network.
网络工程师能够从事计算机信息系统的设计、建设、运行和维护工作。
Network engineer can be engaged in the computer information system's design, the construction, the movement and the maintenance work.
网络管理工作包括网络建设、网络维护和网络服务三个方面。
Administration of network consists of three aspects, i. e. construction, maintenance and service.
网络部：负责网站的建设和维护。
Internet Sect: Responsible for the construction and maintenance of website.
网络可靠性和维护方便、管理有效是有线电视网络建设、运营的首选指标，因此，星型集中分配方式应该作为楼栋单元分配线路的规范。
In contrast, the centralized mode is good at reliability, signal transmission, and management, and should be preferred for the criterion of building-cell distributing circuitry.
大部分资金都用在了网络安全协议建设和维护上。
A bulk of these funds have been allocated towards constructing airtight security protocols.
网络部：负责网站的建设和维护。
Network department: Responsible for the construction of websites and safeguard.
结合工作实践，对X .2 5气象信息网络的建设应用和安装维护进行了探讨，并分析了2例疑难问题的诊断过程和解决办法。
With the experience, we analyze the application and maintenance of meteorological information network of X. 25 and describe the diagnosis process through analyzing two difficult examples.
结合工作实践，对X .2 5气象信息网络的建设应用和安装维护进行了探讨，并分析了2例疑难问题的诊断过程和解决办法。
With the experience, we analyze the application and maintenance of meteorological information network of X. 25 and describe the diagnosis process through analyzing two difficult examples.
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