  To solve this problem, this work develops a novel physics-informed deep surrogate models for temperature field reconstruction  .
<meaning-changed>   To solve this problem, this work develops a novel physics-informed deep surrogate models for temperature field reconstruction  .
 To solve this problem, this work develops a novel physics-informed deep surrogate models for temperature field reconstruction of heat-source systems (TFR-HSS), which can better reconstruct the temperature field with the given limited monitoring points unsupervisedly .