城: city wall; wall际: border; boundary; edge电视传播: photovision relaying系统: system电视传播: photovision relaying; tv communication远程电视传播: remote television transmission传播系统: communication system内部传播系统: internal communications system声学传播系统: acoustic transmission system数据传播系统: dds data dissemination system战略传播系统: strategy communications systems列车移动电视传播: cttv电视传输系统: television transmission system电视广播系统: television broadcasting system电视转播系统: television relay system美国新视野国际电视传媒: new view tv &media传播系统中的噪音: noise in communication system自动信息传播系统: automatic information dissemination system实验电视广播系统: experimental television broadcasting system便携式微波电视传输系统: portable mircowave television transmission system城市间电视传输系统: intercity television system世界文字电视广播系统: wst world system teletext传播系数: propagation coefficient; propagation ratio大众传播系: deptof mass communicationn声传播系数: acoustic propagation coefficient; sound propagation coefficient
