“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	inorganic chemistry Inorganic Chemistry Frontiers inorganic chemistry preparation inorganic chromatographic media inorganic cluster materials inorganic coating inorganic coating material inorganic complexes materials inorganic complexing agent inorganic Compounds Refrigerant inorganic copper fungicide inorganic coprecipitant inorganic electrolysis inorganic fertilizer inorganic fiber inorganic filled antistatic material inorganic flocculants inorganic gradient index optical materials inorganic grouting material Inorganic grouting materials inorganic herbicide inorganic interface material inorganic ion exchanger inorganic ion qualitative detection inorganic layered compound

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。