relative sunspot number

常見(jiàn)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(yáng)黑子相對(duì)數(shù)表征著太陽(yáng)長(zhǎng)期演化活動(dòng)的特征，在太陽(yáng)活動(dòng)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(yáng)黑子相對(duì)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(duì)應(yīng)關(guān)系，并有很高的相關(guān)系數(shù)。