ravenstein 中文意思是什麼
ravenstein
解釋
拉芬斯泰因-
Eg. ravenstein, the british statistician, the ancestor who researches flow of population, has said that the move and flow of population signifies survival and progress, while quiescence signifies stagnation and depression
最早研究人的流動的英國統計學家eg .列文斯坦（ ravenstein ）曾說過，人的遷移與流動意味著生存和進步，而靜止則意味著停滯和蕭條。
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