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对热力学第二定律的教学问题,笔者在前年曾发表了一些意见。读了列文和徐光宪先生的二文,更感到兴趣。因之也想再发表一些粗浅的补充意见。首先,为什么学生对热力学第二定律会感到困难呢?我觉得主要是因为对第二定律解决什么问题,和熵这一概念如何能解决这些问题,没有很突出而明晰地明确起来。因之觉得熵达一概念很神密,而感到困难。如果将这些问题搞清楚,可能对第二定律的了解和应用有所帮助。
The teaching of the second law of thermodynamics, the author made some comments the year before. I was even more interested in reading the second text of Mr. Levin and Mr. Xu Guangxian. Because of this also want to post some superficial additional comments. First of all, why do students find it difficult to apply the second law of thermodynamics? I think it is mainly because of what the second law solves and how the concept of entropy can solve these problems is not very clear and clearly defined. Because of this, the concept of entropy is so dense that it feels difficult. If these problems are clarified, it may be helpful to understand and apply the second law.