“economical population migration”的概念、定义、翻译、参考文献-科学参考

单词	economical population migration
释义	economical population migration Encyclopedia 法学人口迁移释 economical population migration经济型人口迁移受经济因素影响而引发的人口迁移类型。
随便看	tangential polygon tangential port tangential property tangential quadrilateral tangential representation tangential section tangential sphere bundle tangential stress tangential tetrahedron tangential transformation tangential triangle tangential unit vector tangential variety tangential velocity tangential wall tangential wound tangent indicatrix tangent internally tangent line tangent local charts tangent map tangent mapping tangent method tangent microbundle tangent number

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