“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	CLAH claim claim amount claim number claim of inhibition dividing and preservation for legacy claims of valuing agriculture of successive governments Clairaut Clairaut curve Clairaut difference equation Clairaut differential equation Clairaut's theorem Clairaut theorem clairaut theorem Claire Messud clair-obscure Claisen condensation Claisen condensation reaction Claisen rearrangement Claisen Schmidt reaction Claisen-Schmidt reaction clam clam dance clamp clamp cell clamp-clipped wound

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