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The stress change in crystal grain is also discussed in this paper.
探讨了晶粒内应力变化的原因。
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The influence of the initial crystal grain size is also investigated.
并对原始晶粒尺寸的影响作了初步研究。
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The topography of crystal grain of potassium niobate was also analyzed by SEM.
并通过SEM分析了铌酸钾的晶粒形貌。
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