【摘要】 采用面向对象的程序设计方法，在ＷＩＮＤＯＷＳ环境下成功地实现了全真动态Ｉ－Ｄ图的显示与应用，完全取代了传统的Ｉ－Ｄ图作业方式，为暖通空调工程师和设计人员提供了极为方使的分析计算工具。更多还原

【Abstract】 By means of the Object Oriented Programming (oop), the identically Dy- namic I-D Graph (IDIDG) is successfully displayed and applied under WINDOWS circum- stances. lt can completely replace the traditional operating methodology of I-D Graph (lDG) and will serve as a very convenient tool for the engineers and designers on Heating Ventila- tion and Air Conditioning (HVAC).更多还原