The stability of the pressure drop of the cigarette has great impact not only on the physical index and chemical index of the cigarette , but also on the sensory quality of cigarette.
卷烟的吸阻稳定性不仅对卷烟的烟气化学的稳定性有重要的影响，同时对卷烟的感官质量也是影响巨大。
Measurement objects of river healthy includes Banks, river bed, sensory consciousness for river water, water quality experimental indexes, aquatic invertebrate index and fishery index.
河流健康的度量对象包括：堤岸、河床、河水感观、水质指标、水生无脊椎动物指标和鱼类指标等。
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