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動詞 detector:
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any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner
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rectifier that extracts modulation from a radio carrier wave
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electronic equipment that detects the presence of radio signals or radioactivity
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左右項目獨家代理制作,受作品權保障,侵權商標必究
海詞詞典下載,二十七年名牌