例句與造句

1. Presents the microstructure evolution in aluminum a nd copper after deformation by cold rolling in the strain range of 10 to 50 % red uction using tem and points out three types of dislocation structures are typica l and two of them are common for both materials and these two common types are f ound in non - cube grains and can be distinguished by crystallographic orientatio n of dislocation boundaries in the grains and the third type of structure is obs erved in cube grains , and concludes that grain orientation is important in deter mining the structure type but some other metallurgical parameters also have a ro le to play
   采用tem對冷軋多晶銅與多晶鋁的形變顯微組織演變進(jìn)行了對比研究.結(jié)果發(fā)現(xiàn)：多晶銅及多晶鋁形變顯微組織中均含有三類典型的位錯結(jié)構(gòu)類型，其中的兩種結(jié)構(gòu)特征在兩種材料中是相似的，這兩種類型結(jié)構(gòu)存在于非立方取向晶粒，可通過晶粒中位錯邊界的晶體學(xué)取向加以區(qū)別，另一類型結(jié)構(gòu)存在于立方取向晶粒；晶粒的晶體學(xué)取向決定了其形變顯微組織類型，但其它冶金學(xué)因素對顯微組織也有影響
2. It's difficult to find dislocation boundary in a sentence. 用dislocation boundary造句挺難的