Terms for subject Geophysics containing narrow

English	Chinese
narrow band	窄带
narrow band allocation	窄频带分配
narrow-band frequency modulation	窄带频率调制
narrow band Gaussian random noise	窄带高斯随机噪声
narrow band tape recorder	窄带磁带记录器
narrow-beam echo sounder	窄射束回声探测器
narrow resonance	窄共振