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mean sunspot number
meaning in Chinese
平均太阳黑子数
Examples
Annual
mean sunspot numbers
1900 - 2002
1900年至2002年的太阳黑子年平均数
Related Words
sunspot
sunspots
sunspot equilibrium
sunspot periodicity
trailer sunspot
sunspot number
bipolar sunspot
sunspot component
sunspot prominence
sunspot maximum
mean sun
mean sun hour angle
mean surface
mean surface diameter
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