短語詞組短語signal propagation velocity 信號(hào)傳播速度limiting signal velocity 極限信號(hào)速度forwardtransfer signal velocity 前進(jìn)速度Velocity signal 速率信號(hào)Doppler Blood Velocity Signal 血流多普勒信號(hào)effective particle velocity signal 有效信號(hào)multi -velocity signal processing 多速率信號(hào)處理effective particle velocity signal radiated 有效發(fā)射信號(hào)effective particle velocity signal duration 有效信號(hào)持續(xù)期間 返回 signal velocity