photometer
柯林斯詞典
1. N an instrument used in photometry, usually one that compares the illumination produced by a particular light source with that produced by a standard source 光度計(jì)→see also spectrophotometer
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photometer /f???t?m?t?/
劍橋詞典
- a piece of equipment used by scientists to measure the strength of light
光度計(jì)，測(cè)光表 返回 photometer