释义 |
Dew.eydec.i.malsys.temHdjU:7i-, $.dU:7i-n [U]a system of organizing books and magazines, etc. in LIBRARIES, by which a book is given three numbers for each main subject and another number or numbers, after a decimal point (= a small solid circle), for its division within that subject杜威十进图书分类法
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