常見例句雙語例句The selected area diffraction patterns from the phase show a fivefold symmetry of a qua-sierystalline structure.這個相的選區(qū)電子衍射花樣顯示出準(zhǔn)晶體結(jié)構(gòu)的五次對稱性。www.zndxzk.com.cnAcoording to the crystal symmetry, diffraction geometry and the diffraction laws, the complicated divergent beam X-ray diffraction has been studied.根據(jù)晶體的對稱性、衍射幾何和衍射規(guī)律,研究了復(fù)雜的發(fā)散X射線晶體衍射。The crystallographic problems of two-dimensional crystal, such as the matrix expression, the symmetry and the systematic absence law of the crystal's X-ray diffraction, are studied.對二維晶體的矩陣表示、對稱性及其對X射線衍射的系統(tǒng)消光規(guī)律進行了研究,得到并證明了二維晶體的矩陣表示的二個定理和二維晶體對X射線衍射的系統(tǒng)消光定理。 返回 diffraction symmetry