“沟洫工程技术”的概念、定义、翻译、参考文献-科学参考

单词	沟洫工程技术
释义	沟洫工程技术 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	projective correlation projective correspondence projective cover projective covering projective curvature projective curvature tensor projective curve projective deformation projective design projective determinacy projective determinacy axiom projective determination projective differential geometry projective dimension projective dimension of a module projective displacement projective distance projective duality theorem projective element projective elimination ideal projective embedding projective embedding theorem projective equivalence projective extension projective extension theorem

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。