略語大辞典 [Opt] 26 ADA anomalous diffraction approximation 異常回折近似(理論). 大きい光学的に柔らかな物体による光散乱問題の理論. anomalous diffraction approximation; a theory for light-scattering problems by large, optically soft objects; ref. RGA(Rayleigh-Gans approximation), a theory for light-scattering problems by small, optically soft 丸善「略語大辞典」JLogosID : 11864789