Transcription: The sound of the sound is characterized by two properties, amplitude and frequency. The amplitude is the intensity of a sound. Even more energy is applied to the generation of a sound, the higher the amplitude. In a music team, the amplitude is managed by the volume of the volume. The number of times that the hour goes by is only one second. A normal human eye can see the back of a door in 25 oscillations per second and, otherwise, it will be over 1000 oscillations per second.
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