奇怪的是当太阳黑子较多时，太阳能量的总体输出——太阳总辐照度(TSI)反而在一个较高的水平。
Paradoxically when there are most sunspots, overall solar output - called total solar irradiance (TSI) - is also at a high.
再利用地面温度、气温、水汽压和总云量，计算得出福建省各地的地面有效辐射的月、年平均辐照度。
The ground effective radiations are calculated based on the ground temperature. air temperature. water vapour pressure and total cloud cover.
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