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。