1、
Guglielmo Marconl, Italian physicist and pioneer in the use of wireless telegraphy, died in Rome.
意大利物理学家、线电技术先驱吉列尔莫·可尼逝世于罗马.
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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.
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