“nine-class tax system”的概念、定义、翻译、参考文献-科学参考

单词	nine-class tax system
释义	nine-class tax system Encyclopedia 历史学社会经济释 nine-class tax system　九品混通中国魏晋南北朝时期按户等平衡户调征收额的原则性规定。
随便看	unclosed orbit uncoated uncoating uncoaxiality UNCOD uncodifiability uncodifiability of ethics thesis uncollided neutron flux uncollimated uncompetitive enzyme inhibition uncompetitive inhibition uncompetitive inhibitor uncompleted orbit unconditional unconditional basis unconditional convergence unconditional differential form unconditional experiment unconditional extremum unconditional inequality unconditionally convergent unconditionally convergent series unconditionally divergent series unconditionally summable series unconditional positive regard

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。