Active radio frequency system
digital video frequency system
system frequency response characteristics
positive list system system
bio-electrical impedance frequency spectrum
low frequency impedance
tissue’s impedance frequency characteristics
7-year system switching to 8-year system
Accounting environment Accounting theoretical system Accounting standards system
bridge transformed from simple-supported system into continuous system
cardiovascular system and cerebrovascular system
C-band unified TTC system and C-band mono-pulse measuring radar system
CF system core flooding system
changing oil system into coal system
emulating system for jacking system
free air temperature increased system FATI system
global system for mobile communication system