| 释义 |
beta waven.（名词）- The second most common waveform occurring in electroencephalograms of the adult brain, characteristically having a frequency from 13 to 30 cycles per second. It is associated with an alert waking state but can also occur as a sign of anxiety or apprehension. Also called beta rhythm β波：成人大脑脑电图中的第二普通波形，其特点为具有每秒13-30周波数的频率。它与惊醒状态有关，但 也作为焦虑和恐惧的一种信号而出现 也作 beta rhythm
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