Crystal twinning patterns in a leucite crystal from volcanic rock, observed in polarized light by Dr. Michael M. Raith of the Steinmann Institut, University of Bonn, Bonn, Germany. Dr.
火山岩中白榴石的晶体结构，来自德国波恩大学施泰因曼学院的迈克尔·m·雷斯教授用偏振光照射白榴石并拍摄到了该照片。
The boat's design revolves around soft edges, smooth lines, floral patterns and a large amount of glass, crystal and bright white.
船身的设计以柔和光滑的线条、花纹图案、大量的玻璃、水晶以及亮白色为设计理念。
The changes of transmission electron diffraction patterns indicate the phase change has occurred at about 220k, and its crystal parameters change obviously.
透射电子衍射花样的变化表明在220k附近发生了相变，它的晶体结构参数明显地变化。
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