“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	laws on comprehensive governance of urban and rural environment Lawson criterion Lawson homology Laws on invasive alien species laws on quality safety of agricultural products laws on the prevention of radioactive pollution law suit lawsuit archives management lawsuit expense guarantee law system of land use general planning lawyer lawyer liability insurance lawyer system lawyers’office law “ex falso quodlibet” Lax Laxdale Saga Lax equation Lax equivalence theorem lax equivalence theorem Lax Friedrichs scheme Lax-Friedrichs scheme Laxiwa Hydropower Station Laxiwa Shuidianzhan Lax-Milgram theorem

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