... dual beam 双电子束 dual broadcasting 双重广播 dual burner 可用两种燃料的燃烧器 ...
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dual sound broadcasting detail 双声道广播
dual sound broadcasting 双声道广播
dual-channel sound television broadcasting [电视] [广播] 双伴音电视广播
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The country has plans for better satellite communications, broadcasting facilities, weather forecasting and Earth observation missions all of which will have a dual civilian and military role, but none of which need be manned.
ECONOMIST: China in space
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