The individual crystal units comprising the aggregate structure where the crystalline orientation does not change. The grain boundary is where these individual crystal units meet.
构成总的结构的单个的晶体个体，而晶体的方位并没有发生变化。晶界是这些单个的晶体单位相遇的界限。
The formation of grain boundary step when machining poly-crystal is also examined.
还探讨了加工多晶材料时晶界台阶的形成。
The grain boundary is where these individual crystal units meet.
晶界是这些单个的晶体单位相遇的界限。
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