单词：energy modulation
单词：energy modulation 相关文章
STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. Today we tell about the history of radio and the latest technology. (MUSIC) SHIRLEY GRIFFITH: Our story begins in Britain in eighteen seventy-three. A scientist named James Max
2010年VOA慢速英语(十二)月
Unit 8 The Media In-Class Reading It's Radio! The medium that can turn anywhere into somewhere 1 The truth is that radio has not been eclipsed by television and cable and the Internet. In fact, radio
新编大学英语阅读部分
On January 11, Norway became the first country to begin turning off signals from its FM radio network. The Norwegian stations will instead use only digital audio broadcasting, called DAB. FM, or frequency modulation, radio stations have been in opera
2017年VOA慢速英语(一)月
An end to grey hair and crows-feet could be just 10 years away after scientists showed 科学家发现，动物的衰老过程有可能逆转。 it is possible to reverse ageing in animals. 从此以后，可能仅需10年，人类就可以告别白发
趣味英语
BEIJING, July 26 (Xinhua) -- A research team led by Chinese scientists have discovered dietary modulation of gut microbiota can alleviate both genetic and simple obesity in children. The findings of the team, led by Zhao Liping with Shanghai Jiaotong
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