名词
中文翻译：氮氧化物
同义词：
['nitrogen oxides', 'nitrogen oxides']
例句：
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1.The factory produces a lot of NOx emissions during the operation.
该工厂在运行过程中产生了大量的NOx排放。
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2.The air pollution caused by NOx is a major concern for many cities.
由NOx引起的空气污染是许多城市的主要担忧。
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3. To reduce the NOx emissions, the government has implemented stricter regulations on vehicle exhaust.
为了减少NOx排放，政府对车辆尾气实施了更严格的规定。