Printed paper case (PPC) : a common finish for hardback children's books, where the covering material over the boards is paper which has been printed and laminated.
印刷纸封壳：硬皮儿童书籍常用的修饰方法。书壳的包面材料是经过印刷和裱胶的纸。
The title of the article (or paper, report, monograph, etc.) follows the abstract number and is printed in boldface upper case.
文章(或论文、报告、专著等)的题目位于文摘号之后，用黑体大写字母排印。
The title of the article (or paper, report, monograph, etc.) follows the abstract number and is printed in boldface upper case.
文章(或论文、报告、专著等)的题目位于文摘号之后，用黑体大写字母排印。
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