Then we analyse crystallization characteristic of the grain by Raman spectrum.Experiment results show that crystallization characteristic is better as grain size with HREC method enlarges.

• 而以微拉曼光谱分析其晶粒结晶特性，实验结果显示藉由热滞留效应所得到的结晶晶粒，其结晶性随著晶粒的增大而变好。