“trench engineering technology”的概念、定义、翻译、参考文献-科学参考

单词	trench engineering technology
释义	trench engineering technology Encyclopedia 理学沟洫工程技术释 trench engineering technology沟洫工程技术关于中国夏商周时期灌溉、排水渠系的记录与总结研究。沟洫系统肇始于夏，发展于商，至周代趋于规范化，在实施井田制的地区逐渐形成纵横交错的农田沟洫体系。
随便看	Four-Season School four seasons clothing four seasons in China four seasons pasture four seasons production ditties Four Short Folk Songs of Northern Dynasties four-side greening four-six style parallel prose four skills and five means four-spiral semigroup four-spirit pattern foursquare foursquare identity foursquare theorem four-stage model of a crisis lifecycle four stage model of coordination conflict four-step rule four-steps-method Four Steps toward Modern Art four stranded parallel structure Four-stringed beard of Bouyei nationality four stringed instrument of Primi nationality four stroke internal combustion engine four subjects and eight Literary genres four-subspace quiver

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