(1)暫時(shí)性聽(tīng)力下降 (2)聽(tīng)力疲勞 (3)持久性聽(tīng)力損失 (4)爆震性耳聾
(1)形狀編碼 (2)位置編碼 (3)尺寸編碼 (4)顏色編碼 (5)符號(hào)編碼