Electronic commerce is a kind of technical changes in world economical life with the development of network economy 电子商务是90年代中期伴随着网络经济的兴起，在世界经济生活中出现的广域范围内的技术变革。
Equipment vendors are saying ethernet in the wide area may have as little as one - fifth the cost of sonet and one - tenth the cost of atm 设备供应商称，广域以太网的成本只有同步光缆网的五分之一或者atm的十分之一。
Letting team foundation server proxy manage the downloading and caching of source files significantly reduces the bandwidth needed across wide area connections 由代理来管理源文件的下载和缓存可大大减少广域连接所需的带宽。
The optimizing of the 198 / 199 paging network is discussed in this paper . the structure of the 198 / 199 paging network is stepless 198 199广域高速寻呼网采用无级式网络结构， 300多个寻呼区通过vsat通信网络两两互联成为网状网。
Wap based on the wams can be immune to chain - trip , so it is of important significance to secure and stable operation of the power system 基于广域测量系统的广域保护对级联跳闸将起到免疫作用，对电力系统的安全稳定运行有重要的意义。
Beijing cheijing technology company hopes to join hands with you to add more green to our city and jointly create better living environment for all 北京诚极广域科技公司愿与您一道，为我们的城市增添绿色、创造生态优美的人居环境而共同努力。
This model simulated biologic behavior rule , and could rest on the environment to adopt the defined region search or the wide area search to sweep rubbish 该模型模拟生物的行为规律，能够依据周围环境采取限定区域搜索或者广域搜索方式清扫垃圾。
The feasibility , applied inter - connection methods and network architecture for about 20 vts centers all over china to set up a national vts wide area network ( wan ) 研究了全国近20个vts中心之间广域联网的可行性、具体联网方式和广域网络结构。
The 198 / 199 paging network of china is the first vast - region high - speed paging network in the world which contains all the three techniques at the same time 由原中国电信组建的198 199全国寻呼网是世界上第一个同时结合了这三项技术的广域高速寻呼网络。
The higashi - osaka municipal small and medium sized enterprises promotion association utilizes the 2005 new business support project expenses government subsidy to fund 东大阪市中小企业振兴会，有效利用国库补助金平成17年度广域新事业支援合作补助金开展了
