“China’s urban system during feudal society”的概念、定义、翻译、参考文献-科学参考

单词	China’s urban system during feudal society
释义	China’s urban system during feudal society Encyclopedia 理学中国城镇体系释 China’s urban system during feudal society中国封建社会的城镇体系根据其发展过程可以划分为秦汉时期、魏晋南北朝隋唐时期、五代宋元时期和明清（鸦片战争前）时期四个时期。
随便看	elementary translation elementary unit elementary variation elementary vocational education elementary volume elementary wave elementary work element at infinity element bioavailability analysis for geochemical samples Element comparison method element composition of crude oil element concentration element concentration gradient Element counting method element damping matrix element-deficient nutrition solution element divisible on the left element divisible on the right element enrichment factor method element finite element equation element formation element group element hypergenic mobility elementide element innovation

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。