随着数据业务流量的增长，以及网络设备的更新，运营商已经普遍采用DWDM、OXC设备来组建大容量的光传送网络。
Along with the exponential growth of data and multi-media service, DWDM and OXC equipment have been prevalently employed to construct larger capacity optical transport network.
随着数据业务流量的增长，以及网络设备的更新，运营商已经普遍采用DWDM、OXC设备来组建大容量的光传送网络。
Along with the exponential growth of data and multi-media service, DWDM and OXC equipment have been prevalently employed to construct larger capacity optical transport network.
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