“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	display technique display technologies display technology of navigational status display terminal display tube dispore disposable bioreactor disposable income disposable medical personal protective clothing disposal disposal chemistry disposal evaluation disposal of abandoned mine disposal of aircraft materiel disposal of low-level radioactive waste by backfilling and closure disposal of radioactive waste disposal of slaughter waste water disposal of solid waste disposal plan disposal room dispose of economic risks disposition dispositional optimism disposition-credibility assessment disposition of drugs

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