“history of city water conservancy in the world”的概念、定义、翻译、参考文献-科学参考

单词	history of city water conservancy in the world
释义	history of city water conservancy in the world Encyclopedia 工学世界城市水利史释 history of city water conservancy in the world世界城市水利史在城市发展中，人类为解决生活、生产用水，城市防洪、排涝等水利活动的历史。
随便看	involutional system involution axioms involution condition involution curve involution form involution net involution of a composition algebra involution of a division ring involution of a group involution of an algebra involution of a ring involution of forms involution of lines involution of planes involution of points involution point involution principle involution representation involutive involutive algebra involutive automorphism involutive Banach algebra involutive correlation involutive distribution involutive functions

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