Release Date:2019-03-28
我(wo)們(men)都知(zhi)道聲(sheng)(sheng)音(yin)有大小強(qiang)弱(ruo)之分,可(ke)是你知(zhi)道聲(sheng)(sheng)音(yin)是怎么計(ji)量的嗎?它(ta)的單位是什(shen)么?今天,就讓我(wo)們(men)來學(xue)習(xi)聲(sheng)(sheng)音(yin)的計(ji)量。
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