“ancient.sunspot observation”的概念、定义、翻译、参考文献-科学参考

单词	ancient.sunspot observation
释义	ancient.sunspot observation Encyclopedia 理学太阳物理学释 ancient.sunspot observation太阳黑子的古代观测在望远镜发明以前直接用肉眼观察日面上的黑子现象。在一般情况下，由于太阳光十分刺眼，看到这种现象的机会不多。但在日出或日落时，或在大雾笼罩或风沙弥漫的天气，日光减弱，就有可能看到日面上的大黑子。
随便看	Academic Seminar on Huidiao Opera and Pihuang Opera academic theory level effect Academic Units of Traditional Chinese Medicine academic work Academic Works of Wu Shi-chang Academic Writings by Shi Decao academic year and credit system academic year system academie academy Academy Awards academy building Academy of Art University Academy of China Changfeng Electro-mechanical Technology Academy of Chinese Opera Academy of Chinese Opera and Music Academy of Dramatic Art, University of Zagreb Academy of Fine arts of Florence Academy of Mathematics and Systems Science, Chinese Academy of Sciences Academy of Military Medical Sciences (AMMS) of the PLA Academy of Military Science Academy of Music,Hong Kong Baptist University Academy of Sciences of Cuba Academy of stage audiovisual and Film Studies，Saint Joseph University Academy of Yingtian Prefecture Acadia National Park

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