detector

英文解釋：

名詞 detector:

1. 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
   同義詞：sensor, sensing element
2. rectifier that extracts modulation from a radio carrier wave
   同義詞：demodulator
3. electronic equipment that detects the presence of radio signals or radioactivity

中英例句：

1. A device for converting energy form one form to another. In relation to computers, the term is applied to a read/write head, to detector of sector marks in a magnetic disc system, and to electronic/sonic pulse converters of delay line memory.
   把能量從一種形式轉換成另一種形式的裝置。在與計算機有關時，這個術語用在磁碟系統中的讀／寫磁頭、扇面標記的檢測上，以及用在延遲線存儲器的電子或聲波脈衝變換器上。