【机械工程】辐射防护物

radiant【核】;radiation source【核】;source of radiation【核】

ionizing radiation

REMCAL(radiation equivalent manikin calibration)

direct radiation type loudspeaker

radiation myelitis

radiation biology

laser【激光】;light amplification by stimulated emission of radiation【激光】;optical maser【激光】

total radiation(-type) pyrometer