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利用最近建立的、克服了非零边值困难的暗孤子直接微扰理论，讨论三阶群速色散对光纤暗孤子传输的影响，解析地给出了严格的绝热解．
Based on the recently developed direct perturbation theory for dark solitons that overcomes the nonzero boundary value problems, the influence of third-order group velocity dispersion on optical dark soliton transmission is discussed and a strict adiabatic solution is given analytically.