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Odorous pollutants can cause minor annoyance .

臭气污染物可以引起不严重的厌烦。

Emission and control of volatile organic and odorous compounds from landfill .

掩埋场挥发性有机物与恶臭物质排放及控制技术。

New methods of fast on-site measurement of odorous compound .

有气味化合物的快速现场测量的新方法。

The plant is generally much branched and has hairy , strongly odorous , feathery leaves .

植株常多分枝，叶被毛，味浓烈，羽状复叶。

Ozone can kill harmful bacteria and virus quickly in air or water , oxidizes odorous gases and may result in production of fresh oxygen .

臭氧可把水和空气内的有害细菌快速消灭，把一些有嗅味的气体氧化，从而产生新鲜氧气。