“美国国家公园系统”的概念、定义、翻译、参考文献-科学参考

单词	美国国家公园系统
释义	美国国家公园系统 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	vertical l resistance vertically convex polyomino vertically cutting vertically emitting laser vertically loaded anchor vertically mounted camera vertically opposite angles vertically opposite dihedral angle vertically opposite polyhedral angle vertically rheological stratification vertical magnetic field vertical magnetic recording vertical magnetization Vertical Marketing System vertical migration vertical migration of aquatic organism vertical nanowire field effect transistor vertical non-staggering grid vertical ozone profile vertical packaging equipment for payload/fairing vertical parallax screw verticalparallax，y-parallax vertical pendulum vertical perspective projection vertical phase contrast illuminator

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。