研究大城市人口迁移与房价的相互作用关系成为当前实践工作的迫切需求。

To study the interaction between big city population migration and housing price becomes the current practice of urgent needs.

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这些子模型的共同点在于，他们都是用来模拟城市人口迁移的模型，具有相同的运行环境，最大的差异在于模型中的主体的迁移规则。

These sub-models have in common that they are used to simulate urban migration model, with the same operating environment, the biggest difference is that the migrate rules of the agent.

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