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| 单词 | delta frequency |
| 释义 | > as lemmasdelta frequency delta frequency n. the most slowly varying of the ‘brain waves’ recorded by an electroencephalograph, having a frequency of less than about three per second and normally present only during deep sleep. ΚΠ 1961 Lancet 16 Sept. 631/1 Low-amplitude slow activity much of it of delta frequency, compatible with a delirium. < as lemmas |
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