گوش چطورکارمیکند؟-زبان اصلی
281 بار بازدید -
7 سال پیش
-
You may license this video
You may license this video royalty free by contacting us at http://www.javitz3d.com
Many of us take for granted a very extraordinary ogan... our ears. To understand the ear, we need to understand what sound is.
The speakers you are listening to right now are vibrating...flexing in and out causing a wave of pressure through the air
The frequency of these waves, or the speed at which the sound creating surface moves back and forth affects the pitch of the sound. The level of air pressure in each wave
7 سال پیش
در تاریخ 1396/05/02 منتشر شده
است.
281
بـار بازدید شده