首页 / 百科 / 内容详情 Both Face-centered cubic and Hexagonal Close-packed are close-packed crystal structures 2022-04-21 4次阅读 Facecentered Closepacked Both Face-centered cubic and Hexagonal Close-packed are close-packed crystal structures A.正确B.错误正确答案：正确 The existence of point defects，impurity atoms, dislocations，grain boundary may all hinder the dislocation movement, hence weaken If you cool molten metal at extremely rapid rate, amorphous metal can form 猜你喜欢