Air quality forecast offers another improvement of air quality management following weekly and daily report.
空气质量预报是继周报和日报后城市空气质量管理的又一次飞跃。
The paper improves forecast veracity and guides work of littoral medium and small cities' air quality forecast model.
对沿海地区中小城市今后开展空气质量预报工作具有一定的指导意义。
There exists asymmetry characteristic of residual distribution in the regression model of city air quality forecast. It is caused by some high leverage cases.
城市空气质量回归预报模型的残差分布存在着不对称现象，它是由高杠杆点引起。
Results can be widely used in ambient air quality analysis, air quality assessment and forecast of urban areas.
该统计结果可广泛用于城区空气环境质量分析、空气环境质量评价及预测。
Finally, a comparative study is carried out on the advantages and disadvantages of statistical prediction model of air quality and the numerical forecast model.
比较研究了空气质量统计预报模型和数值预报模式的优缺点。
This article introduced the method of air quality Meteorological Potential forecast and the system of Air quality Potential forecast at Winter in Lanzhou.
利用空气质量潜势预报方法和兰州市冬季空气质量潜势预报系统。
Also we can forecast the air spares demand by the order model, and use the air supply ratio land the capital ratio to evaluate the service quality of air supply system.
本文的特点在于利用数学方法来预测航材的需求，运用航材保障率和资金周转率来评价航材保障系统的服务质量。
Also we can forecast the air spares demand by the order model, and use the air supply ratio land the capital ratio to evaluate the service quality of air supply system.
本文的特点在于利用数学方法来预测航材的需求，运用航材保障率和资金周转率来评价航材保障系统的服务质量。
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