单词 | gamma |
释义 | gamma [`gam·ǝ] CHEMISTRY The gamma position (the third carbon atom in an aliphatic carbon chain) on a chemical compound. ELECTROMAGNETISM A unit of magnetic field strength, equal to 10 microoersteds, or 0.00001 oersted. GRAPHIC ARTS A numerical indication of the degree of contrast in a television or photographic image; equal to the slope of the straight-line portion of the H and D curve for the emulsion or screen. MECHANICS mech |
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