IRFPA，即红外焦平面阵列(lRFPA)，解释有三种：1.MID-WAVE INFRARED Single and Array Detectors2.Metal detecting for lost treasure with equipment by OKM German3.Infrared Detectors

解释有三种：

1.MID-WAVE INFRARED Single and Array Detectors

2.Metal detecting for lost treasure with equipment by OKM German

3.Infrared Detectors