前: front置信: believe; confidence; fiducia ...号: howl; yell前置信号机: advance signal前置信号处理系统: adminidtrative signal-processing system前置信号放大器: first signal amplifier; signal preamplifier前置信息: lead information并置信号点: double signal location单置信号点: single signal location偏置信号: offset signal设置信号: signalization; signalize位置信号: position signalling位置信号码: position signal code位置信号器: position signaling apparatus; position signalling apparatus预置信号: preset signal置信号区域: confidence region彩色位置信号: color position signal磁头位置信号: head position signal目标位置信号: target position signal前置出发信号: advance starting signal前置尖头信号: preshoot前置警告信号: advance warning singal起落架位置信号灯: undercarriage position light位置信号指示器: position signal indicator预定转速设置信号: preset speed setting signal
