释义 |
representative fraction
representative fractionThe 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 |