“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	variable step size method variable stroke technology for internal combustion engines variable structure variable-structure variable structure automaton variable structure control variable structure control system variable-structured system variable structure guidance law variable symbol variable temperature blackbody radiation source variable temperature control of greenhouse variable term variable thrust rocket engine variable thrust rocket motor variable time scale variable transformation variable ultrafast photographic shutter variable ultraviolet object variable valve lift variable valve mechanism variable valve timing variable valve timing system variable-velocity star variable voltage

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。