【物理】红色下定位【物理】红外线定位

infra-red image pick-up tube cathode ray tube

infra-red image pick-up tube

near infra-red spectrum，NIRS

mid infra-red spectrum，MIRS

infra-red lamp, ultra-violet lamp, head radiator

infra-red flashlight

infra-red reference spectra

infra-red gas analyzer