但是关于空气污染与静脉血栓关系的数据却很有限。
Few data on air pollution exposure and risk of venous thrombosis are available.
根据成本与效益的关系，提出污染控制方法。
According to the relation between cost and benefit, put forward the pollution control method.
这关系到微生物污染水平可能引起内毒素的升高。
The concern with any microbiological level is the possible increase in endotoxins that may develop.
全球变暖与空气污染有很大关系。
亚硝酸盐作为一种化学性污染物，与人们的饮食、健康有密切的关系。
Nitrite as a chemical pollutant has a bad effect on people's health.
污染是一个关系到全人类的大问题。
Pollution is such a big problem as concerns the whole mankind.
污染是一个关系到全人类的大问题。
Pollution is such a big problem as concerns the whole mankind.
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