deweydecimalsystem是什么意思_deweydecimalsystem怎么读_deweydecimalsystem造句和翻译
发布时间:12-15
发布时间:12-15
deweydecimalsystem
美式发音: 英式发音:n.1.a system of classifying library books that divides them into ten main classes, divided in turn into categories with three-digit numbers and subcategories with numbers after a decimal point