propagationn.增殖;繁殖;传播;传送
propagation of intense laser beam强激光传输
propagation of improved varieties良种繁育
propagation equation of nonlinear非线性传榆方程
propagation of Dactylopius coccus胭脂虫培育
propagation by tube transplanting转管繁育
propagation loss in the waveguide波导传输损耗
Propagation of uterine contraction子宫收缩的传播
propagation of electromagnetic wave电磁波传播