名词 low frequency:

1. 30 to 300 kilohertz

2. a pitch that is perceived as below other pitches

lowadj.低的；少的；低落的；低声的；卑劣的；低等的adv.低地；低声地；低下地；廉价地n.低水平；低价；低谷v.哞哞叫low wine[医] 低度酒(初蒸馏的淡酒)

low-frequency acquisition低频显示,低频探测

low frequencyadj.低频率的

low-frequency response低频响应

low frequency range低频波段

very low frequency超低频,甚低频

low frequency vibration低频振动

low-frequency noise低频噪声

ultra low frequencyadj.超低频的

low frequency group低频群

low-frequency channel低频通道

low-frequency furnace低频感应电炉,低频炉

extremely low frequency极低频

low-frequency band低频带