comb-frequency spectrum  梳状谱

femtosecond optical frequency comb  飞秒光学频率梳

Femto-second optical frequency comb  飞秒光梳

Optical Frequency Comb  光梳; 光学频率梳; 光频梳

sinusoidal spatial frequency comb  正弦函数空间频率扫描干涉法

spatial frequency comb  梳状空间频率扫描干涉法

laser frequency comb  频率梳

Middle frequency-frequency convertor  中频变频器

audio frequency and video frequency processing  生物燃料电池; 音频和视频处理

Belgium OSB double frequency(work-intermediate frequency) Queching machine  比利时OSB双频(工中频)感应淬火机

correlation in frequency domain and frequency domain  时频相关性

cyclic frequency-spectrum frequency domain  循环频率-谱频率域

deteeting the ground point with low frequency electric current signal changing its frequency  低频信号变频探测

double frequency(low intermediate frequency) Queching machine  共昌双频(低中频)感应淬火机

flashing frequency， critical flicker frequency  临界闪变频率; 停闪频率

FMVFT Frequency Modulated Voice Frequency Telegraph  调频音频电报

Frequency Conversion to Working Frequency  变频转工频

frequency error Frequency  循环频率差

frequency pushing and frequency pulling  频率推挽