To introduce a newly automatic system of switch and broadcast the broadcast channel system of teletext .
介绍基于自动切换播出的正程电视图文信息频道播出系统。
To introduce a newly automatic system of switch and broadcast the broadcast channel system of teletext.
介绍基于自动切换播出的正程电视图文信息频道播出系统。
North American Broadcast Teletext Specification?
北美电视图文广播规范MABTS ？
North American Broadcast Teletext Specification?
北美电视图文广播规范MABTS ？
应用推荐