那些背井离乡的英国人称在线收听不会带来太多问题，英国广播公司将从今年3月起停止以中波方式向欧洲西部地区广播。

Listening online might not impose an impossible burden on, say, British expatriates in western Europe, who will lose their medium-wave service from March.

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中波单边带立体声广播发射系统，除要求高质量传送信息外，由于其发射功率较大，因此，如何提高发射机效率也是至关重要的问题。

The MW SSB stereo broadcasting system requires high efficiency of the transmitter which usually employs high power amplifier, as the high quality of information transmission is important.

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英国广播公司国际广播电台是世界上最大的广播网，在全球拥有一亿四千万听众，可以通过短波、中波、调频和卫星收听以44种语言广播的节目。

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.

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