| 释义 |
naaqs
基本例句
n.全国环境空气质量标准
But what if a state is unable to achieve timely attainment of an NAAQS in one of its air quality control regions?但是如果一个州不能及时达到《全国环境空气质量标准》，并且是在州属空气质量控制区域，那该怎么办呢?
This requirement applies to areas designated by the states under section 107 as having ambient air quality better than the applicable NAAQS, or for which there is insufficient data to make a determination of the air quality.这一要求适用于州按照第107条款所指定的、大气质量超过《全国环境空气质量标准》的地区，或者那些缺乏充分数据确定其空气质量的地区。 |