“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	projective matrix projective measure projective mensuration projective method projective metric projective metric element projective metric space projective minimal surface projective model projective module projective morphism projective multiplier projective normal projective normalization projective n-space projective object projective object of a category projective parameter projective pencil of lines projective plane projective plane crossing number projective plane curve projective plane dissection projective point projective point ranges

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。