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vernier 音标拼音: [v'ɚniɚ] n. 游尺,游标,游标尺;
n. =vernier engine [空]微调发动机 游尺,游标,游标尺; Vernier n 1: French mathematician who described the vernier scale (1580-1637) [synonym: {Vernier}, {Paul Vernier}] 2: a small movable scale that slides along a main scale; the small scale is calibrated to indicate fractional divisions of the main scale [synonym: {vernier scale}, {vernier}] Vernier \Ver"ni*er\, n. [So named after the inventor, Pierre
Vernier.] A short scale made to slide along the divisions of a graduated instrument, as the limb of a sextant, or the scale of a barometer, for indicating parts of divisions. It is so graduated that a certain convenient number of its divisions are just equal to a certain number, either one less or one more, of the divisions of the instrument, so that parts of a division are determined by observing what line on the vernier coincides with a line on the instrument. [1913 Webster] {Vernier calipers}, {Vernier gauge}, a gauge with a graduated bar and a sliding jaw bearing a vernier, used for accurate measurements. {Vernier compass}, a surveyor's compass with a vernier for the accurate adjustment of the zero point in accordance with magnetic variation. {Vernier transit}, a surveyor's transit instrument with a vernier compass. [1913 Webster]
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