书架: bookshelf; bookrack图书: books分类: classify的: 4次方是 The fourth power of 2 i ...图书分类法: book classification; library classification图书分类学: books taxology图书分类员: classifier图书分类编目: classification and catalogue of books图书馆图书分类法: library of congress classification按学科将图书分类: classify books by subjects杜氏图书分类法: dewey decimal classification十进图书分类法: dewey decimal classification中国图书分类法: ccl国会图书馆图书分类法: lcc中国图书馆图书分类法: chinese library classification书架图标: bookshelf icon杜威十进制图书分类法: dewey decimal classification通用十进制图书分类法: universal decimal classification美国国会图书馆图书分类法: library of congress classification开架图书馆: open-access library满架图书: a shelfful of books按学科分类的图书目录。: subject catalogue图书馆书架: library bookshelf分类的: assorted; categorical; classified advertisement; graded; systematic; taxonomic分类学的,分类的: taxonomic