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background level的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：
英英釋義
Noun:
-
the amplitude level of the undesired background noise
background level的用法和樣例：
例句
- The background concentrations of ambient air pollutants were used as evaluation stan-dards.
采用大氣污染物濃度的背景值為評價(jià)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(yè)區的匯水盆地，所以基線(xiàn)值和背景值經(jīng)常是吻合的。
