Examlex
Labor-augmenting technological advances decrease the marginal productivity of labor.
Frequency
The number of occurrences of a repeating event per unit of time, often used in the context of waves (such as sound or light) to indicate cycles per second (Hz).
Timbre
The quality of a musical note or sound that distinguishes different types of sound production, such as voices or musical instruments.
Wavelength
The distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.
Middle Ear
The section of the ear between the eardrum and the inner ear, containing three bones that amplify sound.
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