地: the earth空: leave empty or blank; empty; ...数据: data; record; information链路: chain circuit; periodic line ...光数据链路: optical data links数据链路: date line; dl data link; tcdl数据链路层: data link (layer) dl; data link layer(dll); data-link layer; datalink; dll:data link layer; layer, data link数据链路符: data link串行数据链路: serial data link飞弹数据链路: missile data link高级数据链路: high level data link; high-level data link高速数据链路: high-speed holography; hsdl high speed data link光纤数据链路: fibre data link; optical fiber data link简单数据链路: sdl宽带数据链路: wideband data link频分数据链路: fddl frequency division data link平衡数据链路: balanced data link上行数据链路: udl up data link; udl udata link; up data link设备数据链路: facility data link; fdl facilities data link时分数据链路: tddl time division data link; tddl time-division data link; time-division data link数据链路拆接: data-link disconnect数据链路地址: dla data link address数据链路服务: dls data link service数据链路级别: data-link level数据链路交换: dlsw data link switching
