“长江中上游防护林体系建设工程”的概念、定义、翻译、参考文献-科学参考

单词	长江中上游防护林体系建设工程
释义	长江中上游防护林体系建设工程 Encyclopedia 理学长江中上游防护林体系建设工程释 shelterbelt program for upper and middle reaches of Yangtze river长江中上游防护林体系建设工程在长江中上游建设的以保护、恢复和扩大森林植被为主要内容，以改善生态环境和维护长江功能为目的的森林生态工程。
随便看	principal part of an infinitesimal principal plane principal plane of crystal principal plane of photograph principal plane pattern principal planet principal point principal point of photograph principal polarization principal polynomial principal projection property principal punishment principal quantum number principal quintic form principal radius of curvature principal ray principal reduced form principal refractive index principal remainder principal representative principal right ideal principal right ideal ring principal ring principal role performance, additional role performance and double role performance of one character principal root

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。