In this article, dynamical features of non - equilibrium phase transitions are dis-cussed, taking the physical problems of OPO and laser processes as two examples.
本文就光学参量振荡和激光两个物理问题，讨论了非平衡态相变过程的动力特点。
2
The degree of hyperplasia and contracture of scar is connected to many factors. And the most important is connected with the dis - equilibrium of collagen metabolism.