... Background Texture Size背景纹理尺寸;背景纹理大小 background concentration本底浓度 Background Display Toggle背景显示开关 ...
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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
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。
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.
那些试飞飞机并未遇到整片天空火山灰浓度高于每立方米400毫克，即本底水准20倍的区域。
Those flights have encountered no patches of sky with an ash density of more than 400 micrograms per cubic metre, 20 times the background level.
应用此模型研究了萃取时间、水样中氯仿的本底质量浓度和高效有机吸附膜厚度等对萃取效率的影响。
By this model, the effects of adsorption time, concentration of chloroform in drinking water and film thickness on the adsorption efficiency were discussed.
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