CALINE4 and OSPM model were applicable to simulation and prediction of PM10 concentration on typical Chinese urban traffic roads.
CALINE4和OSPM模型适用于中国典型大城市交通道路PM 10浓度模拟预测。
Air quality is represented by annual mean concentration of fine particulate matter (PM10 and PM2.5, i.e. particles smaller than 10 or 2.5 microns).
空气质量用年平均细颗粒物的浓度表示(PM 10至PM 2.5，即粒径小于等于10或2.5微米的细颗粒)。
Authorities measure the concentration of particulates with a diameter of less than 10 microns - so-called PM10 - in the air to determine pollution levels.
检测机构会检测直径小于10微米的微粒，即PM 10浓度，并由此判定污染程度。
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