例句與造句

1. Test methods of crystalline defects in silicon by preferential etch techniques
   用優(yōu)選浸蝕技術(shù)檢測(cè)硅中晶體缺陷的試驗(yàn)方法
2. Test method for crystallographic perfection of silicon by preferential etch techniques
   硅晶體完整性化學(xué)擇優(yōu)腐蝕檢驗(yàn)方法
3. It's difficult to find preferential etching in a sentence. 用preferential etching造句挺難的