Air quality only improved marginally last year in the area around Beijing, data from the Ministry of Environmental Protection (MPE) suggests.
环保局数据显示，去年，只有北京周边区域的空气质量轻微改善了。
The data matches computer models run by biostatisticians like Longini, who found that even the strictest limits on air travel would only slow the start of a flu pandemic, not stop its spread.
由生物统计学家如朗季尼通过计算机模拟的情况与统计的数据相吻合。他发现即使最严格的限制航空旅行只会迟缓禽流感疫情的扩散，但不会阻止其蔓延。
According to the statistics and data analysis, only 20% delays are caused by air traffic control.
从数据统计分析来看，空管原因引起的延误大概在20%左右。
At the same time, since it needs only routine meteorological data to work out all of the boundary layer parameters, it is specially fitted for the regulatory application of air quality model.
同时，由于仅需常规气象资料就能求取所有的边界层参数，因此特别适合于空气质量模式的法规应用。
Note: This data is only for reference. The actual installation should be tested according to air cannon.
注：此数据仅供参考，实际安装要根据清堵器实际测量。
Note: This data is only for reference. The actual installation should be tested according to air cannon.
注：此数据仅供参考，实际安装要根据清堵器实际测量。
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