“Series of Water Conservancy in the Beijing-Tianjin-Hebei Area”的概念、定义、翻译、参考文献-科学参考

单词	Series of Water Conservancy in the Beijing-Tianjin-Hebei Area
释义	Series of Water Conservancy in the Beijing-Tianjin-Hebei Area Encyclopedia 工学〔中国水利史文献〕释 Series of Water Conservancy in the Beijing-Tianjin-Hebei Area《畿辅河道水利丛书》清代编辑的畿辅（今京津冀）地区治水兴利的专业性丛书。
随便看	leftmost path left-most square left multimodule left multiple left multiplication left multiplication ring left multiplicative group left neutral element left neutrino left Noetherian ring left nonsingular bilinear form left-non-singular bilinear form left nonsingular form left nonzero divisor left nucleus left null object left operation left operator left operator domain left order left ordered group left ordered set left Ore condition left Ore domain left Ore ring

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