Alpha filter waveAlpha滤波
Alpha wave interdictionAlpha波阻断
alpha wave detector波探测器
eeg alpha wave脑电α波
variant slow alpha wave变异型慢α波
N（名词） the normal bursts of electrical activity from the cerebral cortex of a drowsy or inactive person, occurring at a frequency of 8 to 12 hertz and detectable with an electroencephalograph 阿尔法脑电波 [physiol] → see also brain wave