等效传播常数
Effective propagation constant
多路径传播效应
multipath transmission effect
非线性传播效应
nonlinear propagation effects
轻松管理有效传播
Digital Signage of ViewSonic
新闻传播效果
effect of news dissemination
(改进)环形反向传播网络
improved) circular ba ck-propagation network
使用与满足传播理论
The Uses and Satisfaction Communication Theory
《生命知识》传播
spreading fact about life