“unified taxation”的概念、定义、翻译、参考文献-科学参考

单词	unified taxation
释义	unified taxation Encyclopedia 历史学经济释 unified taxation摊丁入地中国清政府将历代相沿的丁银并入田赋征收的一种赋税制度。是康熙帝“滋生人丁，永不加赋”政策的进一步改革和发展。又称摊丁入亩、地丁合一。
随便看	positive cycle positive definite positive definite bi linear form positive definite bi-linear form positive definite closed form positive definite form positive definite function positive definite functional positive definite Hermitian matrix positive definite inner product axiom positive definite kernel positive definite matrix positive definiteness positive definite operator positive definite potential positive definite product positive definite quadratic form positive definite scalar product positive definite sequence positive definite solution positive definite space positive definite tensor positive definte rational fanction positive deviation positive diffeomorphism

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。