大家都搜：
箱式信号机
1、radio signal───无线电讯号；无线电信号
2、signal words───信号词；标志词
3、alarm signal───[安全]警报信号；n.警报，警报信号
4、signal twice───发出两次信号
5、home signal───进站信号（机）；[铁路]进站信号；[铁路]进站信号机
6、signal wire───[通信]信号线
7、signal───adj.显著的；作为信号的；n.(Signal)人名；(瑞典)西格纳尔；vt.标志；用信号通知；表示；n.信号；暗号；导火线；vi.发信号
8、signal processing───[通信]信号处理
9、digital signal───[自][通信]数字信号
1、The fire alarm(detector, manual fire alarm box, signal module)───火灾报警（探测器、手动报警、各类输入信号）；
2、The Z1 is the first TV and tuner box capable of transmitting an uncompressed Blu-ray signal from across the room, courtesy of the SiBEAM 60-gigahertz WirelessHD chip inside.───Z 1是第一台无线电视，调频器盒能穿越房间传输一种无压缩的蓝光信号，它内部装有SiBEAM 60千兆赫的WirelessHD芯片。
3、The mainframes had stopped the production of the machine, following the signal of the sensor next to the box and sending the signal to the robot, alerting it that it had to harvest the crop of bricks.───计算机停止了机器的生产过程，是根据零件箱的附近的探测装置的报告，提醒机器人它应该来“收获”零件了。
4、While each box contains a beacon, the unit only has enough battery power to transmit a signal for 30 days.───虽然每个盒子里都有一个信标，但这个装置的电池只能够传输30天信号。