Channels can be unidirectional or bidirectional. 通道可以是单向的或双向的。
Channels operate on messages and message headers. 通道对消息和消息头进行操作。
In particular, ZIT's performance in developing new insurance products and distribution channels has been especially outstanding. 苏黎世产险在新险种与新通路的开发上表现尤其优异。
There have been lots of studies on the behavior of consumers in physical retailing channels, and some discussed with the perspective on shopping orientations. 摘要学者针对实体零售通路，已进行不少有关消费者行为的研究，这些研究中，有以购物导向的观点探究消费者的购买行为。
美
['tʃænlz]
