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日本松下电子零件公司于今年5月开始销售检测人体用的小型红外线传感器。这种红外线传感器将小型薄膜热电元件与平板衍射型多光束透镜
Japan Matsushita Electronic Components Co., Ltd. in May this year, began selling small infrared sensors used to detect human body. This infrared sensor will be small thin-film thermoelectric elements and flat-panel diffraction multi-beam lens