“河防令”的概念、定义、翻译、参考文献-科学参考

单词	河防令
释义	河防令 Encyclopedia 工学〔中国历代水利法规〕释 Decree on River Management of Jin Dynasty《河防令》中国金代关于黄河、海河水系诸河的河防修守法规。是中国最早的一部防洪行政法规。
随便看	arrival pattern arrival process arrival time Arrnius law arrondi arrosion Arrow arrow arrow diagram arrow function arrowgrass arrowgrass family arrowhead arrowhead curve arrowhead method arrowhead scale Arrow-Hurwicz-Uzawa gradient method Arrow-impossibility theorem arrow keys Arrow paradox Arrow-Platt relative risk aversion Arrow-Pratt absolute risk aversion Arrow-Pratt coefficient arrowroot Arrow's impossibility theorem

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