low frequency

Từ điển Oxford Learners Wordfinder Dictionary

noun

1. 30 to 300 kilohertz (Freq. 2)
• Syn:
LF
• Hypernyms:
radio frequency
• Part Holonyms:
electromagnetic spectrum
2. a pitch that is perceived as below other pitches
• Syn:
low pitch
• Ant:
high pitch (for: low pitch)
• Hypernyms:
pitch
• Hyponyms:
deepness