说明：  该文献主要是描述多维编码在长距离光通信中的应用，多维编码对传输中的非线性效应具有一定的缓解作用，是未来光通信编的发展方向！
(This paper describes the application of multidimensional coding in long-distance optical communication. Multidimensional coding has a certain mitigation effect on the nonlinear effect in transmission. It is the future direction of optical communication.)