The equation of air demand was derived from the theory of oxygen transfer in aeration.
根据曝气过程中氧转移的有关理论，推导出需气量的表达式；
Citizens of wealthy nations demand national parks, clean rivers, clean air and poison-free food.
富裕国家的公民要求有国家公园、干净的河流、干净的空气和无毒的食物。
Troops demand analysis is very important to the operational disposition of ground air defense.
兵力需求分析是地面防空作战部署的重要环节。
Increasing air traffic demand has added to the problem.
航空交通需求日增，使问题百上加斤。
One angry male passenger weighed in to demand compensation from the air line company.
一名愤怒的男乘客跳出来要求航空公司赔偿。
However, single radiation system cannot meet people's demand to fresh air.
但单一的辐射系统不能满足人们对新风的要求。
The method's application was demonstrated by large-scale deep cooling air-separating plant's demand analysis.
大型深冷空分工厂的需求分析，证明了该方法的应用。
The method's application was demonstrated by large-scale deep cooling air-separating plant's demand analysis.
大型深冷空分工厂的需求分析，证明了该方法的应用。
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