Differences on tree height and row space among the patterns results in different sunlight time in space.

由于各配置模式在树高、行距的差异，日照时数在林内的空间分布不尽相同。

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Maybe it was the time of day, late afternoon with its pretty, angled sunlight.

也许就是那个时候，是因为黄昏的日光折射着它的瑰丽。

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Reducing the time spent in sunlight helps minimise exposure to UV radiation, which creates free radicals known to damage and age tissues prematurely.

阳光下活动减少意味着暴露于紫外线辐射的时间缩短，而紫外线辐射会生成自由基，对机体造成损害并加速组织衰老。

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And yet, at the same time, the bright sunlight streaming through the Glass Hall's massive, transparent walls, makes it feel like being outdoors.

CNN: AFTER THE BANG

Thanks to the 24-hour sunlight that takes over the Lapp sky at this time of year and the seasonally adjusted lift schedule, you can tear up the pistes until 1 a.m. every Monday and Friday between May 13 and 24.

WSJ: New Heights: Winter Sports Holidays With a Difference | Carving Fresh Ski Tracks

Scientists have known for a long time that aerosols cool climate by reflecting sunlight and making clouds brighter, but the new study is the first to use a global model to estimate the net effects on plant carbon intake resulting from this type of atmospheric pollution.

CNN: Study: Pollution helps plants absorb C02