“Tributary trade”的概念、定义、翻译、参考文献-科学参考

单词	Tributary trade
释义	Tributary trade 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	demagnetizing field demagnification demagnifier De Mairan demand demand analysis demand analysis of urban construction land demand and supply balancing of water resources demand curve demand draft demand engineering demand factor demand forecasting demand for health insurance demand for money demand-for-money function demand function demand game demanding reaction demand mapping demand of grass products demand of health services demand of mineral products Demand of position movement Demand Oriented Pricing

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。