“permanent shadow region”的概念、定义、翻译、参考文献-科学参考

单词	permanent shadow region
释义	permanent shadow region 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	paper reinforce paper shell Papers on Chinese Grammar Papers on the Science of Administration paper spray ionization paper stereotype paper tally paper testing machine paper throw paper transport paper unearthed in Han dynasty Papez circuit and limbic system Paphos papiliochrome papilionaceous corolla papilla papillary foramina papillary laye papillary muscle rupture and dysfunction papillary process papillary ridge papilledema papilloma papilloma of external canal Papperitz

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