该程序为水和水蒸气物性计算程序，在给定任意两个状态参量下，可求得当前状态下水和水蒸气的物性。-The program for the water and steam properties calculation procedures, the next two states at any given parameters, can be obtained by the current state of the physical properties of water and water vapo

根据国际水和水蒸气性质学会1997年9月于德国埃尔兰根IAPWS1997年关于工业用水和水蒸气热力学性质计算公式的公布，编写的Fortran程序，可以改写为C程序，或者参照文件内的C源码。(According to the publication of IAPWS 1997 in Erlangen, Germany, by the international society of water and steam properties on the calculation formula of t