| 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. | That provides for the implementation, maintenance, and enforcement of the national air quality standards .
它为贯彻、维护、并执行国家的空气质量标准作准备。 |
| 3. | Due to increasing awareness of the adverse consequences of air pollution, numerous countries of the temperate latitudes have promulgated air quality standards .
由于对大气污染的恶化情况日益关注，地处温带的许多国家颁布了空气质量标准。 |
| 4. | Aaqs ambient air quality standard
环境空气质量标准 |
| 5. | Ambient air quality standard
环境空气质量标准 |
| 6. | Indoor air quality standard
室内空气质量标准 |
| 7. | Air quality standard
空气质量标准 |
| 8. | As such , different countries and areas in the world adopt different air quality standards and objectives
所以世界不同国家和地区的空气质素标准或指标都不尽相同。 |
| 9. | The government has all along been closely monitoring the researches and reviews on air quality standards conducted by different places
政府一直密切关注各地有关空气质素标准的研究和检讨工作的进展。 |
