Then, a hierarchy health assessment model is established based on the systematic analysis of existing city concrete beam bridge, and the weight of bottom indexes are worked out.

接着，根据层次分析法原理，建立了城市混凝土梁式桥健康状况评估的整体递阶层次结构模型，计算得到各指标的权重；

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Then, a hierarchy health assessment model is established based on the systematic analysis of existing city concrete beam bridge, and the weight of bottom indexes are worked out.

接着，根据层次分析法原理，建立了城市混凝土梁式桥健康状况评估的整体递阶层次结构模型，计算得到各指标的权重；

youdao