利用线源长期平均浓度模式对面源的积分得到了一个用风向、风速和稳定度的联合频率计算大气面源长期平均浓度的新算法。
A new method of calculating long term mean concentration of air pollutant from area source is proposed by integrating the line source long term mean concentration model.
水和自然的解决方案创建一个模式中的半导体材料作为水的蒸发浓度。
The water and solution naturally create a concentration of semiconducting material in the pattern as the water evaporates.
那些热心关注长期气候模式的人们会发现大气中的二氧化碳浓度波动不是温度变化的诱因，而是其结果。
Those who pay honest attention to long-term climate patterns will note that atmospheric CO2 concentration fluctuations do not lead, but typically follow, temperature changes.
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