Nomenclature S.J.T.U. Phase Transformation and Applications Page 3/66 Macroscopic thermodynamics microscopic thermodynamics/statistical thermodynamics Root-mean-square/average rate of motion Macrosate/Microstate:宏观态/微观态 The time average of the properties of a system is equivalent to the instantaneous average over the ensemble of the microstates available to the system. SJTU Thermodynamics of Materials Spring2008©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 3/66 Nomenclature Macroscopic thermodynamics microscopic thermodynamics/statistical thermodynamics Root-mean-square / average rate of motion Macrosate / Microstate：宏观态/微观态 The time average of the properties of a system is equivalent to the instantaneous average over the ensemble of the microstates available to the system