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photometer 音标拼音: [fət'ɑmɪtɚ] n. 光度计,曝光计 光度计,曝光计 photometer 光度计 photometer *光度计 photometer n 1: measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source 2: photographic equipment that measures the intensity of light [synonym: {light meter}, {exposure meter}, {photometer}] Photometer \Pho*tom"e*ter\, n. [Photo- -meter: cf. F.
photom[`e]tre.] (Physics) An instrument for measuring the intensity of light, or, more especially, for comparing the relative intensities of different lights, or their relative illuminating power. [1913 Webster] Photometric
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