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天上鱼鳞斑 晒谷不用翻

收录日期:2025-12-04 21:03:51  热度:12℃

“鱼鳞斑”,一般在三、四千米的高空出现,是由很多灰白色的小云块,有规律地排列而成。整个云块比较薄,中心稍厚,看上去中心灰暗,边缘较薄而明亮。一明一暗宛如一片片鱼鳞,又象房顶上的瓦片,群众叫它“鱼鳞斑”或“瓦块云”。这种云多是在高气压控制的条件下,大气较稳定,是在中空逆温层下形成的云,是晴天的预兆。

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