其生长机理可以用对称性的形核生长模型来解释。
Their growth mechanism could be explained by symmetrical nucleation and growth model.
通过引入异质形核模型、枝晶生长模型、几率形核基底模型，借鉴单元自动生长机制，仿真了等轴晶、柱状晶组织形成的过程。
Based on the cellular automata technique, the heterogeneous nucleation model, dendrite growth model and random nucleation model are used to simulate the formation of equiaxed and columnar dendrite.
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