“The United States of America National Park System”的概念、定义、翻译、参考文献-科学参考

单词	The United States of America National Park System
释义	The United States of America National Park System Encyclopedia 工学〔外国国家公园〕释 The United States of America National Park System美国国家公园系统美国政府为保存自然环境而设置的地区的总和。
随便看	Daughter of Dunhuang Daughter of the Dragon King daughter radioisotope Daughters of Charity Daughters of China daughter substance daughter wave daunomycin daunorubicin daunorubicin; daunomycin Dauphine twin Daur costume Daur dance Daurian ground squirrel Daur language Daur literature Daur Museum of Ethnography Daur music Davao Gulf Davao Region Dave Anderson Dave Godfrey Davenport David Davida

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。