短語詞組短語Instantaneous Median Frequency 瞬時中頻instantaneous fundamental frequency 瞬時基頻instantaneous pitch frequency 瞬間音高頻率instantaneous effect frequency stability 瞬時頻率穩(wěn)定度instantaneous mean frequency 瞬時平均頻率Instantaneous dominant frequency 瞬時主頻instantaneous angular frequency [計]瞬時角頻率instantaneous effect frequency 瞬時頻率Instantaneous microwave frequency measurement 實時微波頻率測量 返回 instantaneous frequency