下载APP
【多选题】
下列关于听觉的行波理论，描述的正确的有( )
A.
该理论是由著名生理学家冯.贝克西提出来的
B.
认为声波传到人耳，将引起整个基底膜的振动
C.
振动从耳蜗底部开始，逐渐向蜗顶推进，振动的幅度也随之增高，振动运行到基底膜的某一部位，振幅达到最大值，然后停止前进而消失
D.
随着声音频率的不同，基底膜最大振幅所在的部位也不同
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Every year television stations receive hundreds of complaints about the loudness of advertisements. However, federal rules forbid the practice of making ads louder than the programming. In addition, t...
A.
TV stations always operate at the highest sound levels
B.
their sound levels are kept around peak levels
C.
their sound levels are kept in the middle frequency ranges
D.
unlike regular programs their intensity of sound varies over a wide range