... 峰值日照时数 Peak sunshine hours 年日照时数 annual sunlight ratio ; Sunshine hrs 等效日照时数 Sun Hour ...
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... 峰值日照时数 Peak sunshine hours 年日照时数 annual sunlight ratio ; Sunshine hrs 等效日照时数 Sun Hour ...
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... 光伏发电 Photovoltaic Power Generation 年日照时数 annual sunshine duration 无霜期 frost-free season ...
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年平均日照时数 Mean annual sunshine duration
年日照时数异常偏多出现在1963、1971年，但从未出现过异常偏少年。
The annual sunshine hours were extremely excessive in 1963 or 1971, but never extremely deficient.
指出本年度年平均气温偏高、年降水量正常略偏少，年日照时数偏少，气象灾害多，发生频繁，气候条件对农业生产有利有弊。
The temperature is a lightly higher, the precipitation is a slightly less, the sunshine time is less and calamities are frequent, which possess advantages and disadvantages to agricultural production.
年累积日照时数为2903小时。
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