单词 | natural units |
释义 | natural units A system of units, used principally in particle physics, in which all quantities that have dimensions involving length, mass, and time are given dimensions of a power of energy (usually expressed in electronvolts). This is equivalent to setting the rationalized Planck constant and the speed of light both equal to unity. See also Gaussian units; geometrized units; Heaviside-Lorentz units; Planck units |
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