The second is latent heat, the energy required to effect a change in phase of a fluid, as in boiling or condensing.

第二类是潜热，即引起流体相变所需的热量，如沸腾和凝析。

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The second is latent heat, the energy required to effect a change in phase of a fluid, as in boiling or condensing.

第二类是潜热，即引起流体相变所需的热量，如沸腾和凝析。

youdao