英语语法分析

The microstructure of the composite powders was characterized by TEM and HREM.

复合粉的显微结构由TEM和HREM进行表征。

The essential of approach is introducing the diffraction crystallography into HREM.

此法的实质是把衍射晶体学融合到高分辨电子显微学中。

The images were created using 3D reconstruction of high resolution episcopic microscopy (HREM) data.

这些都是借助高分辨电子显微镜提供的数据，进行三维重构得到的图像。