名词
中文翻译：亚微米级颗粒物
同义词：
['submicrometer-sized particulate', 'submicron-sized particles']
例句：
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1. Theair quality in this area is significantly worse than the rest of the city.
这个地区的空气质量明显比城市其他地区差。
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2.The study found that exposure to submicron-sized particulate matter can have negative health effects.
研究发现，暴露于亚微米级颗粒物可能对健康产生负面影响。
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3.In order to reduce pollution, the government has implemented stricter regulations on vehicle emissions.
为了减少污染，政府对车辆排放实施了更严格的规定。