例句與造句

1. Theoretical descriptions of contrast formation in X-ray topography are largely based on the dynamical theory of diffraction.
2. The ansatz is the special case of electron waves in a periodic crystal lattice using Bloch waves as treated generally in the dynamical theory of diffraction.
3. In 1849 he published a long paper on the dynamical theory of diffraction, in which he showed that the plane of polarisation must be perpendicular to the direction of propagation.
4. It's difficult to find dynamical theory of diffraction in a sentence. 用dynamical theory of diffraction造句挺難的