| 单词 | Dewey decimal system |
| 释义 | Dewey decimal system /dūˈi desˈi-məl sisˈtim/ or Dewey decimal classification /klasˈi-fi-kāˈshən/nounA system of library classification, based on the division of books into numbered classes, with further subdivision shown by numbers following a decimal point (also decimal classification) ORIGIN: Invented by Melvil Dewey (1851–1931), US librarian |
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