“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	asset securitization for film and television projects asset specificity assets to international financial institutions Assia Djebar assignable cause Assignat assigned base point assigned fixed component assigning profile Assigning Values to Measurement Standards by Huangzhong Assigning Values to Measurement Standards by Leishu assignment assignment for technical design assignment indexing assignment of contracts assignment of copyright assignment of principalship assignment problem assignment statement Assignment System assign roles assimilate assimilation assimilation and accomodation assimilation and contamination

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