The characteristics of the critical incidents are concluded as the following features: relativity of main body, first of time, profundity of experience, durability of memory, importance of impact.

• 幼儿园教师入职3年内关键事件的特征表现为：主体的相对性、时间的首次性、体验的深刻性、记忆的持久性、影响的重大性。