So, it is a very concerned question how the optical network base on SDH system evolve to intelligent light network.
因此，基于SDH体制的光网络如何向智能光网络演进是业界非常关注的问题。
In this paper, the mathematical model of multihop light network is established, and it is divided into connectivity problems and routing problems.
研究并建立了多跳光网络的数学模型，把该模型分解成连接问题模型和路由问题模型。
In this paper, the mathematical model of multihop light network is established, and it is divided into connectivity problems and routing problems.
研究并建立了多跳光网络的数学模型，把该模型分解成连接问题模型和路由问题模型。
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