parameter of model中文什么意思

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1. considered the present condition of liaoning province, the evaluation and prediction method of liaoning province bridge technique condition is analyzed, then bridge condition changed-contingency evaluated method is introduced, negative index curve is chosen as the regression analysis model of the bridge condition prediction, and based on the information of bridge management system in the liaoning highway, the parameters of model are calibrated, the average repaired life of bridge is also calculated, the definite method of the bridge's repaired year is given, at the same time the markov chain model of bridge condition prediction is presented
   结合辽宁省的桥梁工程及管理具体情况，研究了辽宁省桥梁技术状况评价与预测方法，引入桥梁缺损状况变权评定方法，选择负指数曲线作为桥梁缺损状况预测的回归分析模型，并依据辽宁省干线公路桥梁管理系统中的桥梁状况信息，标定了模型的参数，计算桥梁中修及大修(或改建)的平均年限，给出桥梁大中修年份的确定方法，同时也建立了桥梁缺损状况预测的马尔可夫链概率模型。