Each teaching disease produces synthetic damage to the whole teaching system as a disease group member, while impairing teaching function respectively. 各种教学疾病在分别对教学产生着功能性破坏力的同时，又作为一个教学疾病群对教学系统产生着综合性的破坏力。
It is being implemented in the intelligent tutoring system for the Minimax algorithm at present. 这是正在实施中的智能教学系统的极小算法目前。
