ADMINISTRATIVE OFFICE BUILDINGS／行政办公建筑 BROADCASTING AND TELECOMMUNICATION／广播电信 BUSINESS ARCHITECTURE／商业建筑上册 ..
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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。
Uses: Extensively apply to dc and pulse circuit of broadcasting and TV sets. all kinds of instruments and telecommunication equipments and energy saving lamps.
用途：广泛用于各种节能灯、镇流器、仪器和通讯设备的直流及脉动电路中。
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