“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	wisdom education wisdom literature Wisdom politics and law management project wisdom transpotation WISDRI Engineering & Research Incorporation Limited WISE wise information technology of med wise use of wetland Wishart Wishart density Wishart distribution Wishart statistic wishbone flower wish to broadcast Wiss-Forrer method Wisteria in the Guihu Park of Xindu District Wisława Szymborska wit and humour Witbooi’s War against Germany witch witchcraft witch hazel family Witch Head Nebula witch of Agnesi Witelo

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。