downwind distance
常見例句
- EIAA overestimates the concentrations at further downwind distance by more than a factor of 2.
對於下風(fēng)曏遠(yuǎn)距離処的濃度,EIAA的預(yù)測值高了一半以上。 - As a result of chemical conversion and decay, the primary pollutant decreases with the downwind distance more rapidly, especially as the mesoscale distance further than 10 km.
由於化學(xué)轉(zhuǎn)換和衰減的作用,初生汙染物隨著下風(fēng)距離而較快地減少,特別是在10公裡以後的中距離上更加明顯; - It is found that the maximum concentration often occurs near source through intensive vertical diffusion, and the values of concentration decrease with the distance downwind rather rapidly.
發(fā)現(xiàn)由於垂直擴(kuò)散較強(qiáng),最大濃度常於近源処發(fā)生,且曏下風(fēng)方濃度衰減較快。
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