首先讨论了环境熵变和热源熵变间的区别，以及两者相同时的条件；
At first the difference between the entropy change of the surroundings and the entropy change of the reservoir, and the condition in which both of them became the same, were discussed.
结合长期热环境下肿瘤生长的实验数据，对该过程中肿瘤系统内可能的熵变进行了半定量和定性分析。
The results show that the long-term hyperthermia environment can increase the positive entropy of the system and finally inhabit the growth of tumor.
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