室内苯系物和总挥发性有机物（TVOC）是造成室内空气污染的主要原因之一。
The benzene homogeneous and overall volatility organic substance(TVOC) in the indoor atmosphere, are the major factor causing on indoor atmosphere pollution.
当前，室内空气污染已成为社会关注的热点问题，总挥发性有机物(TVOC)是室内空气质量(IAQ)的重要指示指标。
At present, Indoor Air Pollution has become the social hot spot. Total Volatile Organic Compounds (TVOC) is an important indicator of Indoor Air Quality (IAQ).
总量管制：指在一定区域内，为有效改善空气品质，对于该区域空气污染物总容许排放数量所作之限制措施。
Total quantity control means limiting measures that are formulated for total allowable emissions quantities of air pollutants within a certain area in order to effectively improve air quality.
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