English-Chinese/Telecommunication

Telecommunication is the assisted transmission of signals over a distance for the purpose of communication. In earlier times, this may have involved the use of smoke signals, drums, semaphore, flags, or a mirror to flash sunlight. Starting with the telegraph, telecommunication typically involves the use of electronic transmitters such as the telephone, television, radio, optical fiber and computer.

电信 是 为了 通信 而在 一定距离上 辅助 传输信号. 在 早期，这 可能 涉及 使用 烟雾信号，鼓，信号标，旗帜 或 镜子 来 闪光. 从 电报 开始，电信 通常 涉及 使用 电子发射器，例如 电话，电视，无线电，光纤 和 计算机.