传播媒体的类型

主要有:
因特网、卫星传播、电视电缆、视频会议系统、CD光盘、F2F(面对面沟通营销)
不知你需不需要，列一个百分比表：)
Data Transportation modes
Internet 72%
Satellite 44%
Cable TV 29%
Video Conference 71%
CD-ROM 78%
F2F 68%
以上类型中2~3种类型是为大多数院校采用的。

另外大多数院校一般采用基于Web的远程教学方式，大多数科研机构采用卫星传输电视视频的方式。
Most universities and colleges in China use web-based distance learning methods for in-class and off-campus learning . Institutions in the Chinese Academy of Science system mostly use satellite one-way or two-way video/audio distance learning methods to convey courses to students.
the China Education and Research Network (CERNET), initiated in 1994, has developed into an operative education network consisting of three tiers, i.e. national level backbone network, local area networks (LANs) and campus intranet. The integration of CERNET and CEBSat, i.e. China Education Network with Satellite and Broadband, has constructed the transmission platform with space and lan