photometric brightness photometric integrator photometry photomicrocopy photomicrograph photomicrographic apparatus photomodulator photo multiplier photomultiplier tube photomuon photon photon amplification photon-coupled pair photoneutron photon gas photonic photon-induced action photon momentum photon rocket photonuclear |
photometric brightness астр. фотометрична яркост Търсената дума е намерена |