我们提出双层与单层墙壁的保温箱的比较，前者在极低出生体重早产儿之能量需求及水份平衡上有更好的影响。

We assessed the effects of double wall incubators compared to single wall incubators on the energy needs and water balance of very low birth weight infants.

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这些效果太小，以致不能证实双层墙壁的保温箱，对死亡率或住院天数等长期影响有正面的效果。

All of these effects are small and do not support the proposition that double wall incubators have a beneficial effect on long-term outcomes including mortality or the duration of hospitalization.

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双层墙壁保温箱的优点有减少热散失及减少热产生。

The double wall incubators had advantages as far as decreasing heat loss and decreasing heat production.

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