infrared LED红外LEDinfraredadj.红外线的n.红外线infrared smoke screen红外烟幕infrared ray scanning红外扫描infrared fluorescence红外线荧光infrared colour index红外色指数infrared thermalimage红外热像infrared image seeker红外图像探寻器infrared sulfur meter红外硫磺仪Infrared Optical Film红外光胶片infrared upconversion红外上转换infraredexcess object红外超天体