单词	representative fraction
释义	representative fraction representative fraction The scale of a map, chart, or photograph expressed as a fraction or ratio. See also scale. representative fraction representative fraction [¦rep·ri¦zen·təd·iv ′frak·shən] (graphic arts) natural scale representative fraction The ratio between map or photo distance and ground distance expressed as a fraction in the same unit of measurement. It is one of the methods of indicating scale and is written as 1/1,000,000 for a million-map, etc. AcronymsSeerisk factor
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