annual sunshine duration

基本解釋

The annual average wind speed reduced significantly(P0.01). The sunshine duration and the annual precipitation changed no significant(P>0.05).
年平均風(fēng)速呈極顯著的下降趨勢(shì)（P0.01），總?cè)照諘r(shí)數(shù)、累積降水量的變化趨勢(shì)不明顯（P>0.05）；
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The extremes of annual sunshine duration once every 30,50 and 100 years were referred to as the designed value in the project of solar energy power station.
建議以年日照時(shí)數(shù)30年、5 0年、1 0 0年一遇極值，作為油氣管道中間站的太陽能電站工程設(shè)計(jì)中的設(shè)計(jì)值。
The sunshine duration is long, the temperature difference is big, the frost-free period is long, and the annual solar radiation amount is much, which is good for the growth of crops.
日照時(shí)間長(zhǎng)，晝夜溫差大，無霜期長(zhǎng)，年太陽能輻射量大，對(duì)農(nóng)作物生長(zhǎng)十分有利。