“Friedrich Ratzel”的概念、定义、翻译、参考文献-科学参考

单词	Friedrich Ratzel
释义	Friedrich Ratzel Encyclopedia 理学拉采尔，F.释 Friedrich Ratzel拉采尔，F. （1844-08-30～1904-08-09）德国地理学家和人种学家，近代人文地理学奠基人之一。
随便看	productive dictionary productive economics productive exploration productive failure productive fishery auxiliary vessel productive force productive forest biological assets productive function productive infrastructure productive labor and non-productive labor productive ore reserve productive plantation area productive practice productive property productive sampling productive set productive testing productive testing for agricultural machinery productive vibration productive vibration measurement productivity productivity-diversity relationship productivity hypothesis productivity measurement and evaluation system productivity of the arts

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