单词	學堂中一班之首
释义	同Dux
随便看	photo-neutron photoneutron photo-neutron cross-section photoneutron--emission photoneutron source photoneutron--source photoneutron standard photon exitance photon exitance [at a point of a surface] photon exposure photon fluence photon fluence rate photon flux photon-flux integration mode photon-- gamma-ray photon gas photonic photonic arbitrary waveform generation photonic assisted a/d photonic atm switch photonic band photonic bandgap photonic bandgap crystal photonic bandgap fiber photonic bandgap laser