单词	三板市场
释义	三板市场 third board market
随便看	sound diffusion sound diffusivity sound-directed semantics sound directional detector sound direction finder sound direction finding sound directivity factor sound directivity index sound discernment Sound discrimination sound discriminator sound dispersion sound displacement sound dissipation coefficient sound distortion sound distribution sound distribution amplifier sound distribution measurement sound disturbance effects soundd navigation and ranging sound door sound drag Sound draws language sound driver sound drum