“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	motive of dance motive of interpersonal communication motivic cohomology motivity of history motometer moto perpetuo motor motor anticipation motor bath motorboat racing motorboat racing place motor calman filter motor closed-loop control motor closed-loop control system motor combustion instability motor control motor control theory motor cooling motor cortex motor-cross and multiple stage motorcycle race motorcycle motorcycle engine motorcycle patrol motorcycle sport motorcycle tour race

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