First, the solid ice on the surface could have been annealed, meaning that its temperature could have been raised above the 78 Kelvin mark to allow the amorphous ice to recrystallize.
首先，表面的固体冰曾经退火过，也就是说其温度曾升高
78K
使无定型冰
新结晶。
First, the solid ice on the surface could have been annealed, meaning that its temperature could have been raised above the 78 Kelvin mark to allow the amorphous ice to recrystallize.
首先，表面的固体冰曾经退火过，也就是说其温度曾升高78K使无定型冰新结晶。
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