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Automotive dictionary (encyklopedia)

Dictionary of terms and abbreviations for cars (automobiles), motorcycles (bikes),
bicycles, boats, engines, machines, machining and car fixing.

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Attenuation constant

The real part of α in the relationship ρ=ρe- αx, where ρ is a physical quantity, such as the amplitude of a wave propagating along a transmission path, and x is the distance along the path. The imaginary part of α is known as the phase constant. More simply, but less commonly defined by μ = αλ where μ is the attenuation and λ is wavelength, i.e., α is the attenuation per wavelength distance of propagation.
See also decibel, neper, propagation constant
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Top U.S. Insurance Companies

The top auto insurance companies in the U.S.A., based on several customer and expert ratings, are in the following list. Although individual ratings vary slightly, the order of the insurance companies below approximately reflects their average quality:

 
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