relative sunspot number

常見例句

Sunspot relative number shows the evolution characteristics of the solar longterm activity, plays an important role for describing the solar activity.
太陽黑子相對數(shù)表征著太陽長期演化活動的特征，在太陽活動描述中占有重要的地位。
It is found that El Nino, relative sunspot number and sub-high integrated index in west Pacific well correspond to the regularity of drought and flood.
研究發(fā)現(xiàn)埃爾尼諾、太陽黑子相對數(shù)、西太平洋副高綜合指數(shù)與旱澇變化規(guī)律有很好的對應(yīng)關(guān)系，并有很高的相關(guān)系數(shù)。