| 1. | We present the national primary and second ambient air quality standards as upper bound guideline . 我们把国家一级和二级环境大气质量标准作为上限控制线。 |
| 2. | Certain key aspects of abatement planning are best addressed through the use of an ambient air quality model . 消除污染的计划相当关键的方面最好通过应用环境模式来提出。 |
| 3. | Manual methods for ambient air quality monitoring 环境空气质量手工监测技术规范 |
| 4. | Automated methods for ambient air quality monitoring 环境空气质量自动监测技术规范 |
| 5. | Ambient air quality monitoring at cheung chau 长洲空气质素监测 |
| 6. | Analysis and evaluation of city ambient air quality in chengde in 2005年承德城市环境空气质量分析与评价 |
| 7. | Aaqs ambient air quality standard 环境空气质量标准 |
| 8. | Ambient air quality standard 环境空气质量标准 |
| 9. | Principle and technical methods forregionalizing ambient air quality function 环境空气质量功能区划分原则与技术方法 |
| 10. | Ambient air quality model 环境空气质量模式 |