relative sunshine duration
常见例句
- No significant variation was observed in precipitation, bright sunshine duration, solar radiation, and air relative humidity.
降水量、日照时数、太阳辐射和空气相对湿度等农业气象要素的整体变化不显著。 - Evaporation from Erhai Lake decreases with the increase of total cloud cover and relative humidity, and it increases with the increase of mean wind speed and sunshine duration.
洱海水面蒸发随着总云量和相对湿度的增加而减小，随着平均风速和日照时数的增大而增大。
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