relative sunspot number
常见例句
- Sunspot relative number shows the evolution characteristics of the solar longterm activity, plays an important role for describing the solar activity.
太阳黑子相对数表征着太阳长期演化活动的特征，在太阳活动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.
研究发现埃尔尼诺、太阳黑子相对数、西太平洋副高综合指数与旱涝变化规律有很好的对应关系，并有很高的相关系数。 返回 relative sunspot number