“松花江水利史”的概念、定义、翻译、参考文献-科学参考

单词	松花江水利史
释义	松花江水利史 Encyclopedia 工学中国水利史释 history of Songhuajiang river conservancy松花江水利史松花江流域水资源开发利用与防汛、抗旱工程建设及河流整治的历史过程。
随便看	symmetry of a relation symmetry of crystals symmetry of Lagrangians symmetry of molecule symmetry on a set symmetry operation symmetry operator symmetry plane symmetry point preserving property symmetry polyhedral angle symmetry principle symmetry property symmetry reduction symmetry sampling technique symmetry scattering symmetry test symmetry theorem symmetry transformation symmetry trihedral angle symmorphic crystallographic group symmorphic group symmorphic space group symparasitism sympathetic chain sympathetic detonation

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