background value的用法和樣例：
例句
- The background concentrations of ambient air pollutants were used as evaluation stan-dards.
採用大氣污染物濃度的背景值為評價標準。 - In the Campania region, baseline and background values are often coincident, where the samples represent catchment basins away from urban or industrial areas.
在坎帕尼亞地區，樣品代表的是遠離市區或者工業區的匯水盆地，所以基線值和背景值經常是吻合的。
background value的相關資料：
臨近單詞
Background.
background
background equivalent activity
background of market marketing
Background Ecological Footprint
background pressure of atomizer
background clutter reflectivity
Background to the CCM elections
background processing interrupt
background of liberal education
background suppressed filtering
background diabetic retinopathy
