选: select; choose; pick道: road; way; route; path信号: signal; semaphore; gun选道: trace selection单声道信号: monophonic signal隧道信号: tunnel signal铁道信号: railway signaling弯航道信号: bend whistle湾航道信号: bend whistle下滑道信号: glide path signal; glide slope signal信道信号位: channel bit右信道信号: right-hand signal主声道信号: main audio channel signal主通道信号: main channel signal公用信道信号: ccs common channel signal邻道信号干扰: interference of adjacent-channel signals铁道信号电缆: railway signal cable通航水道信号: signal for navigation channel下滑道信号牌: glide slope annunciator按下滑道信号操纵: glide-path control不同道信号传输: out of band不同频道信号传输: out of band; out-of-band单独信道信号方式: separate channel signaling公共通道信号传送: common channel signaling (ccs); signaling common channel; signaling, common channel (ccs)公共信道信号方式: common channel signalling
