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1·Marconi was the first to develop a practical method for wireless telegraphy using radio waves.

马可尼是第一个开发出利用无线电波进行无线电报传输的有效方法的人。

2·Wireless telegraphy, the phonograph and the radio are based on this law.

无线电报，留声机和无线电广播都基于这个法则。

3·He experimented for years in his own laboratory, and while he was still a young man, he invented wireless telegraphy.

他在他自己的实验室里成年累月的作实验，之后，当他还是个年轻人的时候，他发明了无线电报。

4·The great law of vibration is based on like producing like. Like causes produce like effects. Wireless telegraphy, the phonograph and the radio are based on this law.

伟大的波动法则就是建立在波的相似性原理上。即，相近的原因产生相近的结果。无线线、电话及收音机的发明都归功于这一法则。

5·Initially, this was wireless morse code telegraphy, the principal communication technology of his day.

最初，这是电报通讯，他那个时候的主要通信技术。