the wired city refers to a community in which each home has electronic access to a large number of information services.when the connections are optic ,the term fibered city is more accurate. such a community was established in japan under the experimental Hi-OVIS(Hi-gashi-Ikoma Optical visual information system)program. Hi-OVIS also stands for highly interactive Optical visual system.the system consists of a center ,sub-center,and home terminals linked by optic transmission lines.the lines connect computers and video equipment .each home terminal has a TV set,camera,microphone, and keyboard.two-way interactive communications is obtained. Terminals were connected in 158 private homes initially.subscriber services include direct reception of TV programs computers,which provides superior pictures and sound compared to conventional antenna reception. TV programs of a very localized nature are broadcast. For example,programs involving the local police and fire departments and local shopping information are broadcast.A video request service is available whereby the subscriber can request that a particular video cassette be played from a central storage location. Home study courses are available.Still picture giving information about local events,medical facilities,train timetables,and the like,are available.Service such as those described require large bandwidths only available using broadband transmission system. Fiber optic communications provide the needed bandwidth.请高手翻译满意追加悬赏。。。