接着，详细说明时分多路系统在长途主干线路上的应用，以及最近引伸至市内骨干网和接入网的应用。
Then, it describes in detail the application of WDM systems on long distance lines and possible applications in local networks, including those interoffice lines and some access lines.
接着，详细说明时分多路系统在长途主干线路上的应用，以及最近引伸至市内骨干网和接入网的应用。
Then, it describes in detail the application of WDM systems on long distance lines and possible applications in local networks, including those interoffice lines and some access lines.
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