diffractionaladj.绕射的diffractionn.[物理]衍射；绕射diffraction by small holes小孔衍射diffraction characteristic衍射特性diffraction by an aperture光阑衍射diffraction-limited mode衍射限模式diffraction contrast image衍衬象diffraction-limited lens衍射限透镜Diffraction integral theory衍射积分理论Diffraction optical element衍射元件diffraction cross-section衍射截面,绕射截面diffraction crystallography衍射结晶学,衍射晶体学