欧美雾霾致命性约为中国城市27倍
<p>一项研究发现，与欧洲和北美的<span word="PM">PM</span>2.5相比，中国的<span word="PM">PM</span>2.5致命性要低得多。中国疾病预防控制中心专家周脉耕领导的这个研究团队提出，这是因为中国的空气污染源于从干旱地区吹来的大量天然尘土，而西方的污染主要来自工业。</p><p><span word="Smog">Smog</span> <span word="in">in</span> <span word="Europe">Europe</span> <span word="and">and</span> <span word="North">North</span> <span word="America">America</span> <span word="could">could</span> <span word="be">be</span> <span word="more">more</span> <span word="than">than</span> 25 <span word="times">times</span> <span word="more">more</span> <span word="lethal">lethal</span> <span word="than">than</span> <span word="the">the</span> <span word="average">average</span> <span word="air">air</span> <span word="pollution">pollution</span> <span word="found">found</span> <span word="in">in</span> <span word="Chinese">Chinese</span> <span word="cities">cities</span>, <span word="a">a</span> <span word="new">new</span> <span word="study">study</span> <span word="suggests">suggests</span>.</p><p>一项最新研究发现，欧洲和北美的雾霾致命性可能比中国城市平均空气污染水平高出25倍以上。</p><p><span word="In">In</span> <span word="the">the</span> <span word="largest">largest</span> <span word="ever">ever</span> <span word="study">study</span> <span word="of">of</span> <span word="its">its</span> <span word="kind">kind</span> <span word="in">in</span> <span word="the">the</span> <span word="developing">developing</span> <span word="world">world</span>, <span word="researchers">researchers</span> <span word="tested">tested</span> <span word="the">the</span> <span word="effects">effects</span> <span word="of">of</span> <span word="air">air</span> <span word="pollution">pollution</span> <span word="on">on</span> <span word="the">the</span> <span word="health">health</span> <span word="of">of</span> <span word="people">people</span> <span word="in">in</span> 272 <span word="cities">cities</span> <span word="in">in</span> <span word="China">China</span>.</p><p>在这项有史以来针对发展中国家进行的最大规模的同类研究中，研究人员测试了中国272个城市里空气污染对人体健康的影响。</p>
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