几点说明 1.附表一和表二分别适用于分析面心立方与体心立方晶体的孪晶电子衍射谱(二次轴旋转孪晶即180°孪晶)。在电子衍射图上选取一个具有最短边和次最短边的平行四边形,可以用它来描述倒易面。表中有两行表头,第一行为描述基体倒易面的平行四 A few notes 1. Schedule 1 and Table 2 are applicable to the analysis of the surface-centered cubic and body-centered cubic crystal twin-crystal diffraction (twins twins that 180 ° twins). Select a parallelogram with the shortest and shortest edges on the electron diffraction pattern, which you can use to describe the inverted facets. There are two lines in the table header, the first line describes the parallelism of the matrix inverted surface