Attenuation Formula
我. 介紹
A. Definition of Attenuation
乙. Importance of understanding attenuation
二. Factors influencing attenuation
A. Distance
乙. Medium
C. Frequency
三、. Attenuation Formula
A. Mathematical representation
乙. Explanation of variables
四號. Application
A. 電信
乙. Sound transmission
V. 結論
A. Recap of key points
乙. Importance of using the attenuation formula
