单词	Cutter number
释义	Cutter number noun Cut·​ter number ˈkətə(r)-, ˈkətə(r)- : a combination of characters representing an author's surname, composed of the initial letter or the first letters followed by numbers (as M62 = Milne, M64 = Milton), chosen to make the numerical order of the symbols correspond to the alphabetical order of the names, and used to arrange books in the same class alphabetically by authors Word History Etymology after Charles A. Cutter †1903 American librarian
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