“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	light starting point constraint light step light stimulated fluorescent photography light stimulated luminescengt photography light stimulated phosphorescent photograph light stress light telesthesia light temperature accumulation light-temperature response characteristics light-tight light time light time correction light tracing light traffic light-transfer light transmission light-transmission coefficient light transmittance light transmitting fiber light transport theory light trap light traping light trapping light truss pipeline bridge light value

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。