crystal defect

• 晶体缺点,晶体缺陷

crystal defect的用法和样例：

例句

1. The crystal imperfections we consider here are called point defects.
   我们认为这里的晶体缺陷是致命缺陷。
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。