大气扩散 [气象] atmospheric diffusion
[气象] atmospheric dispersion
- 北京市环保局的专家说,北京冷空气活动频繁,有利于大气扩散。
Experts at the bureau said active cold airflows had helped particulate matter to disperse. - 就实际环评工作中点源大气扩散模式计算参数选取的有关问题提出了一些新的看法。
Based on the actual environmental assessment, several methods on how to select parameters in the atmosphere diffusion model of point source are presented. - 相关后果主要是火灾过程中所产生的毒性物质,藉由大气扩散传送至下风甚远距离处所引起。
Consequences are mainly caused by the atmospheric dispersion of toxic substances produced during the fire and transported downwind to considerable distance.