two-dimensional phase

例句：

1. 1. The physicist used a two-dimensional phase diagram to explain the behavior of matter.
   物理学家使用二维相图来解释物质的行为。
2. 2.In quantum mechanics, the two-dimensional phase transition is a critical point where particles can exist in both solid and liquid states.
   在量子力学中，二维相变是一个临界点，粒子既可以存在于固体状态也可以存在于液体状态。
3. 3. The researchers found that the two-dimensional phase transition could be triggered by external factors such as temperature or pressure.
   研究人员发现，二维相变可以通过外部因素如温度或压力来触发。