应用此模型对轨道质量指数TQI数据进行分析预测，并对其精度进行检验。
Using this model, track quality index (TQI) data were predicted and their accuracy was tested.
以出入境货物的质量检验数据为基础，构建了出入境货物总体的质量特性值———质量指数，并提出了对其进行质量宏观分析与监测的方法。
Based on inspection data of imports and exports, this paper attempts to set up a quality index-the value of quality characteristic.
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