“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	one-particle irreducible vertex oneparticle irreducible vertex one particle reducible diagram one-particle reducible diagram oneparticle reducible diagram one-particle reducible diagram and one-particle irreducible diagram one-particle tensor one-part polyphonic form One-Party Dominant System one-party system one-pass compiler one patriarch and three masters of Jiangxi school of poetry one-peaked distribution one peg stow net fishing one person as the lead singer one-person game one-phase Stefan problem one-phonon absorption One Piece one-piece dress One Pillar Pagoda one-pion exchange potential one-pion exchange potential, OI one-place one-place calculus

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