sunspot group 中文意思是什麼
sunspot group
解釋
太陽黑子群-
In view of its physical nature such a sunspot group actually has a structure of its own.
從物理性質方面來看黑子群實際上有它自身的結構。 -
A huge sunspot group may cover an area 13 times or more the earth s entire surface
一個巨大的太陽黑子群的面積可以比地球表面面積的十三倍還大。
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