prolongation
特殊用法analytic prolongation1.■解析开拓direct prolongation1.■直接拓展dorsal prolongation1.■背突odor prolongation1.■香气延持prolongation of analytic function1.■解析函数的拓展prolongation of a bill1.■延长汇票期限prolongation of delay1.■迟延接续时间的延长prolongation of a Riemann surface1.■黎曼面的拓展prolongation of working day1.■工作日延长