“勘合贸易”的概念、定义、翻译、参考文献-科学参考

单词	勘合贸易
释义	勘合贸易 Encyclopedia 历史学国际关系史释 Tributary trade勘合贸易中国明朝时期的对外贸易制度。因采用“勘合符”作为贸易许可证而得名。又称贡舶（赐）贸易。
随便看	First Bulgarian Kingdom first capacity fading first category first category set first cementing interface first characteristic polynomial first Chern class First Child-Birth Ceremony first-class current First Collection of Rare Books from Complete Library of Four Treasuries First Collection of Writings on Heavenly Learning first collision probability first-come first-served first comparison test first compilation first complementary law first component first condensate first contact first cosine formula first cosmic velocity first countability axiom first countable space first countable topology first Cousin problem

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。