生产率、能量、维护和散发污染物方面获得好处。
There are corresponding productivity, energy, maintenance, and emissions benefits end-users may realize.
针对影响污染物散发及分布特点，给出了室内挥发性有机化合物的具体控制方法，如源头控制、通风及室内空气净化等。
This paper brings forward the indoor VOCs concentration control means, such as source controlling, ventilation and indoor air purifying based on the trait of VOCs emitting and distributing.
PM的形成是由许多人为的因素或大自然自己散发出来的，也有污染物与空气产生相互反应而产生。
Many manmade and natural sources emit PM directly or emit other pollutants that react in the atmosphere to form PM.
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