...通讯系统 Total Access Communication System ; TotalAccessCommunicationSystemACS 视频通讯系统visual communication system ; video communications system 串行实时通讯系统 SERCOS ..
Since the second half of the 19th century, poster art has established its superior position among visualcommunicationsystem on the strength of its unique charm.
从19世纪下半叶以来，海报艺术就以它独特的魅力在视觉传达体系中确立了其崇高的地位。
2
However, this purely visualsystem was useless in bad weather, and, by the 1930s, radio communication was coming into use for ATC.
The design of a clear navigation system for lobbies, atria and common areas, enables visualcommunication as well as access through the cores, ensuring fully accessible environment for all users.