光: light; ray通讯: communication系统: system地面激光通讯系统: terrestrial laser communication system其他光通讯系统: other optical communication system其它光通讯系统: other optical communication system用户回路光通讯系统: optical communication system subscriber loop; optical communication system, subscriber loop; optical communication system,subscriber loop地面激光通位系统,地面激光通讯系统: terrestrial laser communication system通讯系统: communicatin system; communication equipment; communication system; communications system闭路通讯系统: closed-circuit communication sy-stem低阶通讯系统: low-tier personal communication system高阶通讯系统: high-tier personal communication system高速通讯系统: high-speed telecommunications光纤通讯系统: fiber optical communication system; focs fiber optic communication system海事通讯系统: maritime communication system军事通讯系统: military communications system连续通讯系统: continuous communication system内部通讯系统: in-plant system; intercommunication system农业通讯系统: agricultural communications system破坏通讯系统: sabotage radio全球通讯系统: global communications systems视频通讯系统: system, visual communication (vcs); video communications system; visual communication system通讯系统保护: communication system protection通讯系统数学: mathematics for communication systems通讯系统终端: communication terminals; communications terminals