four level system

• 四能级系统

four level system的用法和样例：

例句

1. Through a typical quantum measurement model, we study the relation between decoherence of a central two-level system and quantum phase transition in its environment.
   通过一个典型的量子测量模型，我们研究了一个二能级系统的退相干与和他耦合的环境的量子相变之间的关系。