莫尔斯电报代码的mp3声音练习文件4。
莫尔斯电报代码的mp3声音练习文件1。
莫尔斯电报代码的mp 3声音练习文件5。
莫尔斯电报代码的mp 3声音练习文件8。
它可以与CW(无线莫尔斯电报通讯)相媲美，但它比CW要更有效率。
It can be compared to CW (Morse code radio communication), but it is more efficient than CW.
当塞缪尔·莫尔斯在1844年建立第一个商业电报时，他戏剧性地改变了我们所期望的生活节奏。
When Samuel Morse established the first commercial telegraph, in 1844, he dramatically changed our expectations about the pace of life.
豪书的标题，上帝所做的，是塞缪尔莫尔斯在1844年演示电报的时候发送的一段消息正文。
The title of Howe's book, What Hath God Wrought, is the text of the message sent by Samuel Morse as he demonstrated the telegraph in 1844.
莫尔斯电码是一种字符编码电报传送的信息使用的节奏。
Morse code is a type of character encoding that transmits telegraphic information using rhythm.
莫尔斯码是传统的无线电报编码，有着广泛的应用。
塞缪尔·莫尔斯摩斯电报的发明而尊称为复杂的表现法。
An intricate etching honors the invention of the telegraph by Samuel Morse.
用无线电发送电报信息（通常使用莫尔斯电码）。
Telegraphy in which messages are transmitted by radio instead of wire.
豪称，由塞缪尔·莫尔斯研发的电报促进了一些商品的长途交易，比如在南方各州生产的棉花可以运销到北方及欧洲。
Howe says the telegraph, developed by Samuel Morse, promoted long-distance trade in commodities such as cotton, which was grown in the southern states and shipped to the north and Europe.
豪称，由塞缪尔·莫尔斯研发的电报促进了一些商品的长途交易，比如在南方各州生产的棉花可以运销到北方及欧洲。
Howe says the telegraph, developed by Samuel Morse, promoted long-distance trade in commodities such as cotton, which was grown in the southern states and shipped to the north and Europe.
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