Ternary element system的用法和样例：
例句
- The Liquid Liquid equilibrium data of octane water and octane phosphoric acid water system were measured.
实验测定了不同温度下辛烷水二元体系和辛烷磷酸水三元体系的液液相平衡数据。 - Gibbs suggested the use of an equilateraltriangle plot, and this has become standard for ternary systems.
吉布斯提出用等边三角形作图，这已成为三元体系的标准方法。
