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当今时代信息量的快速增长以及信息传送形式的多样性,都对网络提出了更高的要求,WDM全光网以其高速率、大容量、长距离等传送特点,满足了现代通信网的需求。
The rapid growth of the amount of information in today’s era and the diversity of forms of information transmission have set higher demands on the network. The WDM all-optical network meets the requirements of the modern communication network with its high-speed, large-capacity and long-distance transmission characteristics .