“drought central China in 10th century”的概念、定义、翻译、参考文献-科学参考

单词	drought central China in 10th century
释义	drought central China in 10th century Encyclopedia 工学〔中国历史上重大的水旱灾害〕释 drought central China in 10th century10世纪中原大旱 10世纪，中国以中原地区为中心发生的一场持续3年的大旱灾。
随便看	operating cash flow operating characteristic operating characteristic curve operating characteristic function operating characteristic function (OCF) operating characteristic of internal combustion engine operating condition of vehicle operating evaluation of civil engineering system operating flexibility of reactor operating function operating income operating key of camera operating leasing Operating Leverage operating life of vehicle operating management of landscape enterprise operating mechanism of camera operating microscope operating period of environmental management regulation operating platform operating room operating schedule of concentrators Operating shock wave withstand voltage test operating state of air inlet operating state of electrical drive

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