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| Development of Optical Fiber Communication | |
| 摘 要： | TheTibetAutonomousRegionhasmademuchgroundinthedevelopmentanduseofopticalfibercommunicationline.August28,1995:TheLhasa-XigazeandLhasaShannanopticalfibercommunicationlinesopened.Afterfivemonthsoftrialservice,theywereputintoofficialoperation.TheLhasa-Xigazeopticalfibercommunicationline,thefirstofitskindinTibet,extends340km.ItcrossestheGangdeseMountain(whichisnotoriousasthe"forbiddenareaforlife")withanelevationaveraging4,000meters.Itwaslaidin38daysandnights.1996:TheXigaze-Gyangze(viaBainan… |
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