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micron 音标拼音: [m'ɑɪkr,ɑn] n. 微米 微米 micron 微米(百万分之一米) MU micron n 1: a metric unit of length equal to one millionth of a meter [synonym: {micron}, {micrometer}] Micromillimeter \Mi`cro*mil"li*me`ter\, n. [Micro- millimeter.] The millionth part of a meter. Note: The millionth part of a meter is now termed a {micron}, and the word micromillimeter does not conform to the IS use of the prefix {micro-}. [1913 Webster PJC] micron \mic"ron\, n. [NL., fr. Gr. mikro`s small.] (Physics) A measure of length; the thousandth part of one millimeter; the millionth part of a meter. [1913 Webster]
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