“three collections and five unified management”的概念、定义、翻译、参考文献-科学参考

单词	three collections and five unified management
释义	three collections and five unified management Encyclopedia 经济学农业税释 three collections and five unified management三提五统 1978年底～2005年，中国实行的农业税费制度。三提指农村提留的公积金、公益金和管理费；五统指乡镇统筹的乡村两级办学、计划生育、优抚、民兵训练和乡村道路建设5项统筹。
随便看	singular point singular point at infinity singular point of a curve singular point of a difference equation singular point of a differential equation singular point of a quadric singular point of a surface singular point of higher order singular point of order k singular probability distribution singular process singular projective transformation singular proposition singular q-cochain singular quadratic form singular quadric singular quadric hypersurface singular saddle point singular semigroup singular sequence singular series singular set singular set function singular simplex singular simplicial set

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。