second order transition

例句：

1. 1.The second order transition from one system to another is crucial for understanding the dynamics of a complex system.
   从一种系统到另一种系统的二阶转变对于理解复杂系统的动力至关重要。
2. 2. During the second order transition, the system undergoes significant changes in its structure and function.
   在二阶转变期间，系统经历了其结构和功能的显著变化。
3. 3.The second order transition model is widely used in engineering and science to describe the behavior of systems during critical phases.
   二阶转变模型在工程和科学中被广泛使用，用以描述系统在关键阶段的行为。