“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	charged by corona mineral charged by induction of mineral charged by polarization of mineral charged by triboelectrificity of mineral charged carrier density charged colloid charged current charged density wave charge density charge density wave charge density wave, CDW charge determination ion charge/discharge curve charge discharge efficiency charge/discharge efficiency charge displacement method charge-distribution multi-site complexation model charge distribution of fission product charge distribution of fission products charge distribution radius charged lepton flavor violation charged particle charged particle activation analysis charged particle activation analysis (CPAA) charged particle beam fusion

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