Using this model, track quality index (TQI) data were predicted and their accuracy was tested.
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。
There's something called the Air Quality Index, or the AQI, and it keeps track of how clean or populated the air is on a day to day basis.
空气质量指数，简称AQI，是对每天空气清洁或污染的情况进行追踪记录。
There's something called the Air Quality Index, or the AQI, and it keeps track of how clean or populated the air is on a day to day basis.
空气质量指数，简称AQI，是对每天空气清洁或污染的情况进行追踪记录。
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