The telegraph ticked out a message . 发报机滴滴答答地发出电报。
A telegraph can transmit two different signals: a dot and a dash . 一台发报机可发射两种讯号:点和线。
I had arranged a continuous coverage of the russian embassy diplomatic transmitters . 我曾作出安排,连续不断地监听俄国大使馆的外交发报机。
She had no doubt he would come after her; he knew as well as she did that there was a wireless transmitter in tom's cottage . 她知道他一定会跟上来的,因为他也和她一样明白,汤姆处有一架发报机。
Shipbuilding - electric engine telegraphs 造船.电动机械发报机
Miniature radio transmitter 小型无线电发报机
Eva : yeah , everybody tells me that . hold steady . i ' m not done yet . there ! a transmitter 是的,每个人都这么说,再坚持一下,还没好。在这里!是个发报机!
Alarm systems . alarm transmission systems and equipment . part 1 - 4 : requirements for systems with voice communicators using the public switched telephone network 报警系统.报警传输系统和设备.第1 - 4部分:使用公共交换电话网有声发报机系统要求
Alarm systems . alarm transmission systems and equipment . part 1 - 3 : requirements for systems with digital communicators using the public switched telephone network 报警系统.报警传输系统和设备.第1 - 3部分:使用公共交换电话网带数字发报机的系统要求
Alarm systems . alarm transmission systems and equipment . part 2 - 4 : requirements for equipment used in systems with voice communicators using the public switched telephone 报警系统.报警传输系统和设备.第2 - 4部分:使用公共交换电话网有声发报机的系统用设备要求