logo - 刷刷题
下载APP
【简答题】

引起人的听觉的一般声音的最低声强级是( )dB,最高声强级为( )dB。

举报
题目标签:声音声强级听觉
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】人的听觉产生于()

A.
听觉感受器
B.
耳蜗
C.
鼓膜
D.
大脑听觉中枢

【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