ambient level

基本解释

Tight limits were set on disposal into the rivers at only 1.5 degrees above their ambient level.
汙水排放入河有嚴格的標準要求，其汙染度衹能是周圍環境的1.5度。
This demands to monitor and simulate what is ambient level of pollutants in distinct time and place.
這就需要監測和模擬一系列汙染物在不同時間和不同空間的環境水平。
Enforcement was possible only when a discharge reduced the quality of the receiving water below the specified ambient level, or to prevent an imminent health hazard.
排放把承接水源的水質降到了環境標準以下，爲了防止迫近的健康危險，也可以實行強制性措施。

They can mentor on an ambient level, openly broadcasting their ideas, knowledge and help for mentees or anyone to consider, by sharing their thoughts on micro-blog systems, and they can receive feedback the same way.
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It would even apparently incorporate a noise meter that could automatically trigger various options when the ambient noise hits a certain level.
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Whenever the ambient heat reaches your set comfort level (which can be controlled from the web or a smartphone app), the fan will shut off and the insulating cover -- described to us as ironing board material -- will prevent additional heat from escaping.
ENGADGET