“marine transportation”的概念、定义、翻译、参考文献-科学参考

单词	marine transportation
释义	marine transportation Encyclopedia 经济学海上运输释 marine transportation海上运输使用船舶通过海上航道在不同国家和地区的港口之间运送客货的方式。是国际贸易中最主要的运输方式。简称海运。
随便看	principal for facet sequence principal form principal formula principal fractional ideal principal fractionary ideal principal function principal function classes principal functor principal fundamental solution principal G bundle principal G-bundle principal genus principal G-object principal graduate principal graph principal group principal groupoid principal homogeneous G-set principal homogeneous space principal homomorphism principal horizontal line of photograph principal ideal principal ideal domain principal ideal ring principal ideal theorem

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