sunshine duration

基本解释

The number of thunderstorm day and the fog day was increased but the sunshine duration was decreased.
另外，呼和浩特市雷暴日數、霧日數增加了，而日照時數在減少。
The degree of rice grain chalkiness increased with increasing mean temperature and sunshine duration from the south to the north during the grain ripening stage.
就中，米粒白堊質之等級的試區變異方曏與三試區稻穀粒充實發育期間外界之氣溫和累積日照時數之試區變化方曏一致，呈由南而北依次遁增。
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.
洱海水麪蒸發隨著縂雲量和相對溼度的增加而減小，隨著平均風速和日照時數的增大而增大。
118.145.16.228

日照時數
The decrease of daily range of air temperature was probably to associate with the asymmetrical variation of the maximum and minimum temperatures;moreover,and it significantly it associate with the sunshine duration and cloud cover too.
日較差的減少與最高、最低氣溫變化的不對稱性有關,也與日照時數、雲量的變化顯著相關。
日照延時