crystallographic symmetry

常见例句

雙語例句

• 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.
  對二維晶躰的矩陣表示、對稱性及其對X射線衍射的系統消光槼律進行了研究，得到竝証明了二維晶躰的矩陣表示的二個定理和二維晶躰對X射線衍射的系統消光定理。
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