The telegraph is the first electronic communication technology in human history and it improved the scope and speed of information dissemination by one order of magnitude .

电报是人类历史上第一种电子传播技术，它使信息传播的广度和 速度都提高了一个量级。

One-fourth the rated speed of the associated equipment ; in transoceanic telegraph one-fourth of full speed or 12.5 baud or 16 + wpm .

有关设备额定速度的四分之一；在越洋 电报中，指四分之一 全速或12.5波特或每分钟16字。