“severe drought in Chenghua period of Ming Dynasty”的概念、定义、翻译、参考文献-科学参考

单词	severe drought in Chenghua period of Ming Dynasty
释义	severe drought in Chenghua period of Ming Dynasty Encyclopedia 工学〔中国历史上重大的水旱灾害〕释 severe drought in Chenghua period of Ming Dynasty成化大旱明代成化年间发生在黄河中下游地区的一场持续三年的全国性大旱灾。
随便看	polygonal link polygonal method polygonal net polygonal number polygonal number theorem polygonal patch polygonal spiral polygonal variation polygon area polygonatum root-knot nematode disease polygon-circumscribing constant polygon clipping polygon construction polygon density polygon diagonal polygon diameter polygon division problem polygon edge polygon equivalent by dissection polygon fractal polygon-inscribing constant polygon intersection polygonization polygon mapping polygon of seventeen sides

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