“旅游花费”的概念、定义、翻译、参考文献-科学参考

单词	旅游花费
释义	旅游花费 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	operation with series operation with sets operation with sticky cinder operative operative category operative mathematics operative temperature *-operator operator operator algebra operator algebra method operator algorithm operator analysis operator approximation theory operator automorphism operator bounded below operator calculus operator compact implicit scheme operator-convex operator cosine function operator-difference operator-differential operator-differential equation operator domain operator endomorphism

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。