visual communication system 视频通讯系统 ; 视觉传达系统
VCS Visual Communication System 可视通信系统
personal visual communication system 个人视觉通信系统
However, this purely visual system was useless in bad weather, and, by the 1930s, radio communication was coming into use for ATC.
然而，这种纯粹的视觉系统在恶劣天气下毫无用处，到了20世纪30年代，无线电通信开始用于空中交通管制。
The design of a clear navigation system for lobbies, atria and common areas, enables visual communication as well as access through the cores, ensuring fully accessible environment for all users.
心房和公共场所，为大堂清晰的导航系统的设计，使视觉传播以及通过内核访问，以确保为所有用户完全无障碍的环境。
The main functions, construction and system bus in the building visual talk back communication system were analyzed.
分析了楼宇可视对讲通信系统的主要功能、结构和系统总线。
应用推荐