This is the first attempt to use the model recommended by the guideline （AERMOD model）to calculate the background concentration of SO2 in Yangzhou city.
本文首次尝试将导则推荐模式（AERMOD模型）用于计算扬州市SO2本底浓度的研究中。
参考来源 - 扬州市大气环境容量研究·2,447,543篇论文数据，部分数据来源于NoteExpress
In the model the contribution from area pollution sources was calculated by transforming it to the background concentration, so the model was greatly simplified.
在模型中尝试性地将面源污染产生的浓度贡献转化到背景值中计算，简化了解析模型。
To investigate the impact of chamber ambient air quality on the testing results, mathematical analysis is performed to study the vibration trends of formaldehyde background concentration.
为了解气候舱周边空气质量对检测结果的影响，本文应用数学分析方法对气候舱内空气中甲醛本底浓度的变化规律进行了探析。
My knowledge of French is pitiful and after 20 minutes of earnest concentration on shepherds' dialogue and sheepish background noises I nudged Ed and suggested we make a discreet move outside.
我的法语很差劲，只能在羊群的背景噪音声中去聚精会神地听牧羊人的对话。20分钟后，我终于推了推艾迪，还是走吧。
应用推荐