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字词 白夜
释义 白夜báiyè由于地轴偏斜和地球自转、公转的关系,在高纬度地区,有时黄昏还没有过去就呈现黎明,这种现象叫做白夜。出现白夜的地区从纬度49°起,纬度越高白夜出现的时期越长,天空也越亮。{white night; phenomenon in high-latitude areas where dawn often breaks just as night falls, caused by the slant of the earth's axis, its auto rotation and revolution around the sun. White nights occur in areas above 49°latitude. The higher the latitude, the longer the white night becomes, and the brighter the sky.}
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更新时间:2025/1/31 3:30:56