radio frequency recognition technology
radio frequency fingerprint recognition
Absolute Radio Frequency Channel
Absolute Radio Frequency Channel Number ARFCN
active radio frequency identification
active radio frequency Identification technology
Active radio frequency system
And radio-frequency identification
atmospheric-pressure radio-frequency low-temperature plasma
automatic radio-frequency spectrum recording equipment
bi-polar radio frequency
cluster electrode radio-frequency
coaxial radio frequency cable
CPU radio-frequency card
Digital Radio Frequency Memory
数字射频存储器
数字射频存贮
数字储频
数字射频储频器
数字射频存储
digital radio frequency memory DRFM
DRFM Digital radio frequency memory
eighteen stage radio-frequency mass spectrometer