两个盒子中放置4个球 S.J.T.U. Phase Transformation and Applications Page 13/66 Table 10.1 Distributions of Four Spheres(A,B,C,and D)in Two Boxes I and II Macrostate: stating the total number of particles in each box yields BCD Microstate: AD BCD each way of B realizing a given B ACD macro distribution ABD Ac C ABD Each macrostate D may be realized by ABC ABCD a number of Box I 1 microstates BoxIⅡ 0 1 2 3 +Q 1 4 6 1 微观状态数！ SJTU Thermodynamics of Materials Spring 2008 ©X.J.Jin Lecture 19 StatisticalPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Spring 2008 © X. J. Jin Lecture 19 Statistical Page 13/66 两个盒子中放置4个球 4 Macrostate: stating the total number of particles in each box yields Microstate: each way of realizing a given macro distribution Each macrostate may be realized by a number of microstates 微观状态数！