科学家很久就发现鱼类的血液里面有一种防止结霜的蛋白质，但无法了解这种蛋白质抗霜的机理。
The fish have proteins in their blood that protect them from frost. That's been long known, but scientists never understood how these anti-freeze proteins worked.
研究发现，换热器结霜引起了翅片效率、空气流通率及翅片性能的显著降低，同时还伴随着空气侧压力降上升。
It is shown that the fin efficiency, air flow-rate, and fin performance are significantly decreased while pressure of the air side is increased when frosting occurs at the exchanger.
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