英语翻译Public switched telephone network(PSTN) is perhaps the m
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英语翻译
Public switched telephone network(PSTN) is perhaps the most stupendous telecommunication network in existence today.There are over 400 million telephone connections and over 60,000 telephone exchanges in the world over.The length of telephone wire pairs buried underground exceeds a billion kilometers.
A unique feature of the telephone network is that every piece of equipment,technique or procedure which has evolved in the last 100 years from a number of different giant corporations,is capable of working with each other.Compare this with the fact that it is almost impossible to interface the first IBM computer with its own latest system.The enormous complexity of the telephone network is managed by using a hierarchical structure,worldwild standardization,and decentralization of administration,operation and maintenanc
麻烦不要用GOOGLE或者有道什么的.这个需要有一定的专业知识且英语好
马上考试了 会考这个3个翻译.
Public switched telephone network(PSTN) is perhaps the most stupendous telecommunication network in existence today.There are over 400 million telephone connections and over 60,000 telephone exchanges in the world over.The length of telephone wire pairs buried underground exceeds a billion kilometers.
A unique feature of the telephone network is that every piece of equipment,technique or procedure which has evolved in the last 100 years from a number of different giant corporations,is capable of working with each other.Compare this with the fact that it is almost impossible to interface the first IBM computer with its own latest system.The enormous complexity of the telephone network is managed by using a hierarchical structure,worldwild standardization,and decentralization of administration,operation and maintenanc
麻烦不要用GOOGLE或者有道什么的.这个需要有一定的专业知识且英语好
马上考试了 会考这个3个翻译.
公共交换电话网(PSTN)也许是迄今为止最大的通讯网络.全世界共有4亿电话终端和6万个电话交换机.埋入地下的对偶电话线超过了10亿公里.
电话网络独特的特点是,其中每个设备都能够与其它设备配合工作.这些设备的技术或程序是在过去100多年以来由不同的巨型公司研发的.与此相比的一个事实是,几乎不可能将IBM最早的计算机与其自己的最新型号的计算机相连接.这个电话网络巨大的复杂性能够得以管理,是通过层级结构,国际范围的标准化,以及管理,操作和维修的分散化实现的.
电话网络独特的特点是,其中每个设备都能够与其它设备配合工作.这些设备的技术或程序是在过去100多年以来由不同的巨型公司研发的.与此相比的一个事实是,几乎不可能将IBM最早的计算机与其自己的最新型号的计算机相连接.这个电话网络巨大的复杂性能够得以管理,是通过层级结构,国际范围的标准化,以及管理,操作和维修的分散化实现的.
英语翻译Public switched telephone network(PSTN) is perhaps the m
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