Background levels
英
美
- 背景值
双语例句
- The background concentrations of ambient air pollutants were used as evaluation stan-dards.
采用大气污染物浓度的背景值为评价标准。 - In the Campania region, baseline and background values are often coincident, where the samples represent catchment basins away from urban or industrial areas.
在坎帕尼亚地区，样品代表的是远离市区或者工业区的汇水盆地，所以基线值和背景值经常是吻合的。
相关词汇
大家正在查
Copyright © 2023 256查询网 All Rights Reserved
