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  有效强震持时

Effective signal  有效信号

effective signal bandwidth  有效信号带宽

effective signal subspace  有效信号子空间

Arry signal signal processing  阵列信号处理

signal duration  信号持续时间

injector signal duration  喷油器信号持续时间

injection signal duration screen  喷油信号持续屏幕显示

effective lowest particle size of effective separation  分选下限

the equal effective method (2nd equal effective conver-sion)  等效法（二次等效换算）

Cab Signal as the Dominant Signal  主体化

Digital Signal Level 0- Digital Signal Level 3 DS0-DS3  零阶数字信号和三阶数字信号

producing address signal and enable signal  地址信号选通信号产生

Promoting Cab Signal as the Dominant Signal  主体化

separation of luminance signal and color signal  亮色分离

Signal with signal frequency  快变幅值

signal-noise ratio (=signal-to-noise ratio =SNR)  讯噪比

signal-to-noise ratio of strong signal  大信号信躁比