Ternary diagrams are often used to illustrate the mixing processes at a given temperature and pressure. 三元相图可以说明在特定的压力和温度下的混相过程。
The equilibrium phases can be represented as two points on the borderline between the single and two-phase areas in the ternary diagram. 平衡相可由三元相图中的单相和两相区的交界线上的两点表示。