THE ENTROPY OF FUSION HAS BEEN SET TO ZERO FOR THIS GROUP.

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请问这个ENTROY OF  FUSION怎么解决？

*   WARNING IN PHYSICAL PROPERTY SYSTEM
      VAN KREVELEN PROPERTY ESTIMATION IS MISSING PARAMETER VALUES
      FOR GROUP NUMBER (183) IN SEGMENT S-SEG.
      THE ENTROPY OF FUSION HAS BEEN SET TO ZERO FOR THIS GROUP.

      THE VISCOSITY TEMPERATURE FUNCTION HAS BEEN SET TO ZERO FOR THIS GROUP.