Based on the hierarchy analysis process(AHP), the index system of appraising a fossil power plant simulator is given.

基于层次分析法（AHP）给出了电站仿真器的评价指标体系．并分析其权值；

TOC is the important index to control quality of water & steam cycle for supernal parameters and high-capacity fossil fuel power plant.

对于高参数、大容量火力发电机组，TOC是控制机组水汽循环品质的重要指标。