With the temperature kept a little below four degrees above absolute zero, the electric current is ever circling a frozen ring of mercury.

由于温度保持在稍低于绝对零度以上四度，电流就沿着低温水银不断地流动。

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If it is, we can continuously cooling, straight down to exceed four hundred and fifty-eight degrees below zero.

如果是，我们就可以不断降温，直降到超出零下四百五十八度以下。

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If it is, we can continuously cooling, straight down to exceed four hundred and fifty-eight degrees below zero.

如果是，我们就可以不断降温，直降到超出零下四百五十八度以下。

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