【计】 频率定标

用频率变标算法处理大斜视角SAR数据

audio-frequency push-pull ampli-fier

relative frequency

３０赫－２０千赫\nacoustic frequency【声】;audible frequency【声】;audio frequency【声】

Arrhenius frequency factor

acoustical telegraphy【通信】;audio frequency telegraph【通信】;

vibrating-reed frequency sensor

frequency function

fundamental frequency