crystal imperfection

例句：

1. 1. The crystal structure of the new material is highly perfect.
   这种新材料的晶体结构非常完美。
2. 2. The imperfections in the manufacturing process are causing issues with the final product.
   生产过程中的不完美导致了最终产品的质量问题。
3. 3. The crystal imperfection affects the electrical conductivity of the material.
   晶体缺陷影响了材料的电导率。