speech sound defect 语音缺陷
The defect in the microphone caused a humming sound.
麦克风的缺陷造成了嗡嗡的声音。
Scab. An imperfection in the form of a shell or veneer, generally attached to the surface by sound metal. It usually has its origin in an ingot defect.
结疤。通常由钢锭缺陷引起的、附着在完好金属表面上的薄壳状或镶片状缺欠。
The use of Wallman deforming circuit brings the merits of a good linearity and high-speed attribute while overcomes the defect of sound thinness caused by Wallman circuit.
渥尔曼变形电路的应用，具有渥尔曼电路的良好线性与高速性，却又克服了渥尔曼电路声音单薄的缺点。
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