| 单词 | concentration level |
| 释义 | concentration level To take a photograph, a wearer's concentration level must pass a threshold. Times, Sunday Times However, by 2:30 p.m. the concentration level finally dropped below 10 ppm. Retrieved from Wikipedia CC BY-SA 3.0 Auxin concentration level, together with other local factors, contributes to cell differentiation and specification of the cell fate. Retrieved from Wikipedia CC BY-SA 3.0 Other contributing factors included concentration level, fatigue, sleep habits, fever, emotions, and substances, such as caffeine or alcohol. Retrieved from Wikipedia CC BY-SA 3.0 The gas concentration level reading peaked at 5,000 ppm at around 11 a.m which was mostly methane. Retrieved from Wikipedia CC BY-SA 3.0 |
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