Those parameters include the number of subpopulations, migration frequency, migration rates, migration selection strategies and the communication styles, etc.

这些参数包括：子种群数目、迁移率、迁移规模、迁移选择策略和通信方式等。

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This paper reviews and analyzes food simulants applied on migration testing of chemical substances from packaging material and its selection methods.

本文综述了包装材料化学物迁移试验中应用的食品模拟物并对其选用作了分析。

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In this paper, the causes of size migration and its effects on chopped strand MATS are analyzed from aspects of raw material selection, fiber drawing process and fiber drying process.

本文从浸润剂原材料的选择、拉丝工艺和烘干工艺三方面分析了浸润剂迁移现象产生的原因及其对短切毡的影响。

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