For more efficient use of shortwavebroadcasting band and improvement of broadcasting quality, single sideband broadcasting has been placed on the agenda.
为更有效地利用短波广播频段，改善其广播质量，单边带制广播提到了议事日程。
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Programme Comments: My main interest is in telecommunication, so I prefer e items on satellite broadcasting and shortwave receiver reviews.
节目建议：我主要是对广播通信感兴趣，我特别喜欢有关卫星广播和介绍短波接收机方面的内容。
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BBC world Service is the world biggest network 140 million listeners across the globe broadcasting in 44 languages heard on shortwave, median wave, FM and satellite.