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

单词	international tourism expenditure
释义	international tourism expenditure Encyclopedia 理学【住宿、餐饮业和旅游】释 international tourism expenditure国际旅游支出一国的国内居民在国外旅行、游览过程中用于交通、参观游览、住宿、餐饮、购物、娱乐等全部花费。
随便看	tunable reflection maser tunable traveling-wave maser tuna fisheries tuna longline fisheries tuna longline fishing machine tuna lonline fishing tuna purse seine fishery tuna purse seine fishing tuna purse seiner tuna seiner tuna troll fishery Tunchang Xian Tuncheng Zhen tundish tundish car tundish heating tundish metallurgy tundra tundra and alpine grassland tundra climate tundra ecosystem Tundra satellite tundra soil microbes tundra vegetation tune

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。