| 1. | At last , a arithmetic calculate method was given for system adjustment using control system feedback idea and through real statistical data , constructing evaluation index system , designing appraisal model , designing system cooperation model and so on , a overall adjustment suggestion was given for cangzhou in several years or even some decades
利用控制系统反馈思想设计了一种数学计算方法，并通过实际统计数据构建评价指标体系、设计评价模型和系统协调性模型等给出沧州未来几年甚至几十年的总体调控建议。 |
