問題詳情
28 關於吸音材料之吸音特性如下圖所示，下列何者為板狀材料之吸音特性？（圖中縱座標 a 為吸收音率，其數值上大下小，橫坐標 f 為頻率，其數值右高左低。）
(A)
(B)
(C)
(D)
(A)
(B)
(C)
(D)
參考答案
答案：B
難度：適中0.571429
統計：A(1),B(12),C(3),D(2),E(0)
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