UFG materials

• 超细晶材料

UFG materials的用法和样例：

例句

1. Lattice parameters are the important crystal structural parameters of polycrystalline materials.
   晶胞参数是多晶材料晶体结构的重要参数。
2. In generally, there were some crystal defects in the polycrystal materials, and was namely the inperfect crystal structure.
   多晶材料中通常存在一些晶体缺陷，称之为晶体结构的不完整性。