“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	tillage measure factor tiller tillite tillow till suitability of soil Tilly tilmicosin tilt tiltable antenna tiltable plate radio telescope tiltable plate telescope tilt angle tilted algebra Tilted Cold Dark Matter model tilted fault block tilted plane processor tilt erro tilt error tilting complex tilting module tilting-pad bearing tilting pad journal tilting pulse front tiltmeter Tilt observation

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。