“water conservancy of ancient Beijing city”的概念、定义、翻译、参考文献-科学参考

单词	water conservancy of ancient Beijing city
释义	water conservancy of ancient Beijing city Encyclopedia 工学〔中国古代城市水利〕释 water conservancy of ancient Beijing city古代北京城水利北京位于永定河与潮白河洪积冲积扇脊部，这两条河都距城区较远流过，引用存在许多困难。北京降水量年内分布很不均匀，总径流量偏少，自古就是缺水地区。开发利用永定河与潮白河水资源并防止其洪水灾害，是古代北京城水利的重点。
随便看	maximum of a function maximum of a set maximum of eclipse maximum or minimum condition maximum output signal to noise ratio testing maximum packing maximum parsimony maximum parsimony method maximum partial likelihood maximum partial likelihood estimator maximum penalized likelihood maximum penalized likelihood estimate maximum penalized likelihood estimation maximum phase signal maximum plastic work principle maximum point maximum postcard maximum power temperature program maximum power temperature-rise program maximum power temperature[-rise] program maximum power transfer theorem maximum principal shear stress theory maximum principle maximum problem maximum process standard deviation

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