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河流解冻
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河流解冻
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ice break-up of river
河流解冻
气温上升至0℃以上时,封冻河段在热力和水力作用下冰盖融化和鼓裂,在较长的河段内已没有固定的冰盖,且敞露水面上下游贯通,其面积超过河段总面积20%的现象。又称开河。
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aleurone layer
Aleut
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Aleutian Trench
a-level surface
Alex Agbaglo Acolatse
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Alexander Alekseevich Zharov
Alexander Alexandrovich Fadeyev
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Alexander Andreyevich Prokofyev
Alexander Archipelago
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Alexander cohomology group
Alexander cohomology module
Alexander-Conway polynomial
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