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从热力学中平衡态对应于统计物理中最可几态出发 ,直接由玻耳兹曼熵公式推导了克劳修斯熵公式 ,使两个熵的一致性更为直观化 ,从而加强了理论的连贯性 ,使讲授更具体条理化和系统性“,”In most thermodynamics textbocks, the microscopic meaning of entropy is usually illustrated and understood through Boltzmann entropy formula, while the entropy vahue is calculated by Clausiusentropy formula, and the value equality of the two entropy is point because there is no good connection with. This paper, starting wiht the corespondence between equilibrium state in thermodynamics and most probable stabe in statistical physics, dirctly deduces Clausius entrophh formula from Blotzmann entropy formula, thus making the consistence of the two entropy more obvious strengthening the coherence of thecory, and making the teaching more reasonable and systematic.