“tourist expenditure”的概念、定义、翻译、参考文献-科学参考

单词	tourist expenditure
释义	tourist expenditure Encyclopedia 理学旅游花费释 tourist expenditure旅游花费人们在旅游活动过程中，为满足自身发展、享受需要而购买产品和服务的货币支出。
随便看	convective heat flow convective heating surface convective heat passage convective inhibition convective initiation convective instability convective instability criterion convective mass transfer coefficient convective mass transfer equation convective mixing convective operator convective overshooting convective overturn time convective region convective shell convective stability convective storm convective storm environment convective transfer convective tube bundle convective zone convector Convenience life service e-commerce convenience sampling convenient number

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。