“永久阴影区”的概念、定义、翻译、参考文献-科学参考

单词	永久阴影区
释义	永久阴影区 Encyclopedia 理学〔月球构造〕释 permanent shadow region永久阴影区在自转轴与其黄道面交角很小的天体的极区存在的常年未受阳光直射的区域。简称PSR。
随便看	Yuan Rong Yuan Ruxun Yuanshan Yuanshan Culture Yuanshangdu Sites Yuanshantang Shiji Yuan Shao Yuan Shihai Yuan Shikai Yuan Shikai's ban on newspapers in 1913 Yuanshikai's Tomb Yuan Shipwreck at Chaotangjiang of Cixi Yuan shipwreck at Dalian Island of Pingtan Yuan shipwreck at Heze Yuan shipwreck at Nankaihe Village of Cixian Yuan Shishuo Yuanshi Xian Yuan Shiyi Yuan Shu Yuan Shuipai Yuan Shumei Yuan Shun Yuanshunhe Opera Troupe yuan-source points and collateral-points combination Yuantai black tea

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。