effective duration
持效期
有效率
有效持时
强震持时
有效久期
有效期限
有效时间
有效持续时间
effective duration of earthquake
effective signal bandwidth
effective signal subspace
Arry signal signal processing
injector signal duration
injection signal duration screen
effective lowest particle size of effective separation
the equal effective method (2nd equal effective conver-sion)
Cab Signal as the Dominant Signal
Digital Signal Level 0- Digital Signal Level 3 DS0-DS3
producing address signal and enable signal
Promoting Cab Signal as the Dominant Signal
separation of luminance signal and color signal
Signal with signal frequency
signal-noise ratio (=signal-to-noise ratio =SNR)
signal-to-noise ratio of strong signal