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Terms for subject Space containing air quality | all forms | exact matches only | in specified order only
| English | Chinese |
| air quality | 大气品质 |
| national air quality index | 全国大气质量指数 |
| national ambient air quality standards | 全国环境空气质量标准 (美国环保局) |
| portable air quality monitor | 便携式空气质量监测器 |