National Ambient Air Quality Standards请翻译

National Ambient Air Quality Standards请翻译 ambient air temperature是什么意思? 英语翻译Abstract:EPA Administrator Stephen Johnson proposed changes to the National Ambient Air Quality Standard (NAAQS) for ozone on June 20,2007; the proposal appeared in the Federal Register July 11.NAAQS are standards for outdoor (ambient) ai Ambient 翻译“most of the heat is rejected to ambient air” 故障sensor for ambient 112 air temperature是什么意思 NATIONAL AIR AND SPACE MUSEUM怎么样 sub-ambient National National National National national national National national national National