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Combination Transducer | 组合传感器

A device that converts variations in to two physical quantities, such as light, sound or an electrical signal. An external siren would be an example of this using sound and light to alert.

 

该设备可将变量转化为两种物理量,例如光,声音或者电子信号。室外警铃就是使用声音和光进行报警的例子

 

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