For this kind system, the isothermal section and vertical section should be founded through the experiment result and referencing the calculated phase diagram at the same time.
存在强相互作用的三元氧化物体系的等温截面和多温截面应以实验数据为基础，同时参考计算相图。
2
The isothermal transformation diagram (TTT)is an important basis to make a heat treatment process of steels.