Infrasound measurements次声测量
infrasound control次声控制
infrasound exposure次声作用
interior infrasound内部次声
infrasound sensor次声传感器
Infrasound Group次声组
infrasound field次声场
Infrasound detecting次声检测
Infrasound array次声阵列
N(名词) soundlike waves having a frequency below the audible range, that is, below about 16Hz 次声; 低于16赫兹的低频音波