克隆繁殖clonal propagation【细胞】
方差－协方差传播律variance-covariance propagation law【测】 数
增殖propagation
【计】 扰动传播propagation of disturbance
链增长chain propagation
压条繁殖propagation by layering
往返传播时间round-trip propagation time【物】
三自原则principles of self-administration, self-support andself-propagation