We carry on improvement of traditional infrared sensor (compound sensor), which is installed in each room and aisle of building.
方法把传统红外传感器(复合式传感器)进行改进，安装在建筑物的每个房间和通道内。
We carry on improvement of traditional infrared sensor (compound sensor), which is installed in each room and aisle of building.
方法把传统红外传感器(复合式传感器)进行改进，安装在建筑物的每个房间和通道内。
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