MP3-Morse telegraph code practice mp3 sound file 1.
莫尔斯电报代码的mp3声音练习文件1。
MP3-Morse telegraph code practice mp3 sound file 4.
莫尔斯电报代码的mp3声音练习文件4。
MP3-Morse telegraph code practice mp3 sound file 8.
莫尔斯电报代码的mp 3声音练习文件8。
MP3-Morse telegraph code practice mp3 sound file 5.
莫尔斯电报代码的mp 3声音练习文件5。
In this thesis the Morse telegraph code detection and recognition in noise background is investigated.
本论文研究的是噪声背景下的莫尔斯信号的检测和识别技术。
I also own a piece of copper wire that was used 160 years ago as a conductor for the original Morse telegraph system.
我还有一根铜丝，那是160年前最早的摩尔斯电报系统曾用过的导体。
When Samuel Morse established the first commercial telegraph, in 1844, he dramatically changed our expectations about the pace of life.
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。
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.
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。
To transmit messages across telegraph wires, in the 1930s Morse and Vail created what came to be known as Morse code.
为了在电报线之间传送信息，在20世纪三十年代摩尔斯和威尔创造了摩尔斯电码。
During this time period, the Massachusetts-born, Yale-educated Morse (who began his career as a painter), worked to develop an electric telegraph of his own.
在这个时期，出生于马萨诸塞州，毕业于耶鲁大学的摩尔斯(最初是一名画家)正致力于开发一套他自己的电报系统。
摩尔斯发明电报。
An intricate etching honors the invention of the telegraph by Samuel Morse.
塞缪尔·莫尔斯摩斯电报的发明而尊称为复杂的表现法。
For years, telegraph operators used Morse code to communicate across the country and around the world.
世界各地的电报员们多年来一直使用莫斯电码交流。
As with most inventions, Morse borrowed from the ideas of many others in making his telegraph.
如同大多数发明一样，摩尔斯在制作电报借用了许多其他人的想法。
Morse found that source of power, and he also invented a system for using the telegraph, the Morse code.
摩尔斯找到了那种电源，同时他还发明了了“摩尔斯码”系统用于电报。
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。
By the time he was eleven, he had set up a home-made telegraph and was practicing the Morse Code.
等到了十一岁时，他已经装配起一个简易电报机，并时常练习摩尔斯电码。
As with most inventions, Morse borrowed from the ideas of many others in making his telegraph.
如同多数发明一样，摩尔斯在制作电报借用了许多其他人的想法。
Telegraph was invented by Samuel Morse in 1844.
1844年塞缪尔·莫尔发明了电报。
1858 - Samuel Morse first successfully tested the electrical telegraph.
1858年的今天，萨缪尔·摩尔斯首次成功地测试了电报机。
1858 - Samuel Morse first successfully tested the electrical telegraph.
1858年的今天，萨缪尔·摩尔斯首次成功地测试了电报机。
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