第二章主要介绍了预备知识和本文模型的基本假设。
The second chapter mainly introduces the prearrangement knowledge and the basic hypothesis of the model.
常规牙体预备，取模，超硬石膏灌制工作模型。
Regular teeth and ready, take modulus, superhard gesso cut working model.
提出了发电系统停运容量预备表的概念，并据此给出了先形成发电系统停运容量预备表，再建立发电系统停运容量模型的实用算法。
A new concept, the generation system outage capacity probationary model, is presented. Based on this concept, a practical algorithm for building generation system outage capacity model is proposed.
应用推荐