loudness contour
电 响度线… Read the rest
电 响度线… Read the rest
电 响度线选择器… Read the rest
医 面(外)形… Read the rest
医 釉质外廓线… Read the rest
医 等计数曲线… Read the rest
医 Ж面形, … Read the rest
医 邻接(外)形… Read the rest
电 频谱轮廓描画器… Read the rest
*[‘kɒntuә]
n. … Read the rest