研究人员说，一种叫做磁滞的过程会引起热能损失，但这种新合金具有低磁滞特性。
A process called hysteresis causes some of the heat energy to be lost, but this new alloy has a low hysteresis, the researchers say.
研究人员说，一种叫做磁滞的过程会引起热能损失，但这种新合金具有低磁滞特性。
A process called hysteresis causes some of the heat energy to be lost, but this new alloy has a low hysteresis, the researchers say.
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