“茶马互市”的概念、定义、翻译、参考文献-科学参考

单词	茶马互市
释义	茶马互市 Encyclopedia 农学林业经济史释 tea and horse trade茶马互市中国古代西部和北部从事畜牧业经济的少数民族，用马匹等牲畜和畜产品，与内地换取茶叶、布匹、铁器等生产、生活必需品的比较集中的大规模集市性贸易活动。始于唐代，盛于宋、明、清，长达千余年。历史学海外贸易释 tea-horse trading茶马互市中国宋代与西北少数民族之间进行的贸易形式。
随便看	activity-based travel demand analysis activity breakthrough activity coefficient activity constant activity curriculum activity decay activity density relative to surface activity determining method by vapor pressure measurement activity diagram activity factor activity index activity life expectancy，ALE Activity Memorial Photographic activity meter activity metrology technology by energy spectrum method activity of the waves activity-on-arrow network diagram activity on edge network activity on edge network, AOE activity on node network diagram activity on vertex network activity on vertex network, AOV activity product constant activity product of water activity profile

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。