Asthma and PM
收藏data.gov2025-12-20 收录
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PM10 (the mass of particles present in the air having a 50% cutoff for particles with an aerodynamic diameter of 10 μm) is the standard measure of particulate air...
PM10（指空气中空气动力学直径（aerodynamic diameter）为10μm的颗粒物达到50%截留效率时对应的颗粒物质量）是空气颗粒物的标准测量指标……
