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BNC: 10071 COCA: 4935

a device that is used to record that something is present or that there are changes in something传感器

The security device has a heat sensor which detects the presence of people and animals.保安装置中有一个热传感器,能探测人和动物的存在。
BNC: 10071 COCA: 4935
BNC: 10071 COCA: 4935
BNC: 10071 COCA: 4935
sensor

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