infrared LED红外LEDinfraredadj.红外线的n.红外线Infrared Command Unit红外指挥部件Infrared regeneration红外再生Infrared Image Fusion红外图像融合infrared absorptivity红外吸收率infrared ray detector红外线探测器infrared reflectivity红外线反射性infrared spectrometry红外光谱术Infrared Aiming Light红外瞄准光infrared transmitting红外线透射Infrared LASER Ranger红外激光测距仪