“diffusion area”的概念、定义、翻译、参考文献-科学参考

单词	diffusion area
释义	diffusion area Encyclopedia 文学语言接触释 language league; language union; linguistic area; diffusion area; adstratum; convergence area语言联盟三个或三个以上没有亲缘关系的语言因长期共处同一地区，由于有着密切接触关系，使得这些语言在结构上产生了共同特征的现象。由N.特鲁别茨科伊于1928年提出。
随便看	principal moment principal moment of inertia principal net of a mapping principal net of the flow principal neutral point principal nilpotent orbit principal norm principal normal principal normal complex principal normal form principal normal line principal normal plane principal normal section principal normal surface principal normal vector principal number principal nutation principal object principal offender principal of land laws principal of least dissipation of energy principal open set principal optical axis principal orbit principal orbit type

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