包含telegraphview的词条

At that time， telegraph lines often ran parallel to the railroad tracks， and many of the station masters were telegraph operators Edison was struck by the importance of telegraphy in communication At home he。

telegraph 利用电磁波作载体，通过编码和相应的电处理技术实现人类远距离传输与交换信息的通信方式电报通信是在1837年由美国 莫尔斯首先试验成功的，它的基本原理是把英文字母表中的字母标点符号和空格按照出现的。

Thomas Edison was an American inventor and businessman he invented many devices and changed our life， such as the phonograph and a long lasting light bulb he was one of the first inventors to apply the。

这是很现实的问题，丈夫干家务活越多离婚率就越高这句话表明了这个家庭的婚姻状态，丈夫在家，所有的家务活都干着，从侧面表示这个丈夫的时间还是比较充裕的，就说明了这个丈夫的事业很一般，他挣的钱也很一般相反这个。

an average of about 15 days He invented the electric light， telegraph， movies， trams， telephone， batteries， generators， phonograph， etc， and changed profoundly affect human life His great contribution to hum。