communicationsn.通信技术；通讯设备名词communication的复数形式.communicationn.交流；通讯；传达；通信；沟通communication window通信窗口communication optics通讯光学communication device通信器件communication buffer通信缓冲器communication's mode高等学校communication symbol传播符号communication parter通信伙伴communication safety通信安全communications relay通信中继communication policy通信政策