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如下图所示的E-R图,下列描述正确的是()

发布日期:2020-12-11

如下图所示的E-R图,下列描述正确的是()
A

图书、编号、书名、作者都是属性

B

图书、编号、书名、作者都是实体

C

编号、书名、作者三个实体具有共同的属性

D

图书实体有编号、书名、作者三个属性

试题解析

书名

书名,各类出版物名称,出现在封面、扉页、版权页上,有时书眉上也会出现(一般在偶数页上)。包括丛书名/系列名、副标题,卷或分册的序号和名称,版次(第一版除外)。

中文名
书名
汉语拼音
shū mínɡ
包括
副书名、并列书名
外文名
Title
解释
书的
相关书籍
《古籍书名辞典》

编号

动词:给顺序号作为一种识别的方法,如给房间编号名词:利用有序或无序的任意符号按顺序编号数或者编定的号数。(可以以0开头)

中文名
编号
外文名
number

图书

图书是以文字或图像的形式记录信息的媒介,通常由许多页(由纸莎草、羊皮纸、牛皮纸或纸制成)装订在一起并用封面保护。这种物理排列的技术术语是codex(复数,codices)。在用于扩展书面作品或记录的手持物理支持的历史中,抄本取代了其前身卷轴。法典中的单页是叶子,叶子的每一面都是一页。作为一个智力对象,一本书的原型是一篇篇幅如此之长的作品,以至于它需要花费大量时间来撰写,并且仍然被认为是阅读时间的投资。在狭义上,一本书是一个自给自足的部分或较长作品的一部分,这种用法反映了在古代,长篇作品必须写在几个卷轴上,并且每个卷轴都必须通过它所包含的书来识别。亚里士多德物理学的每一部分都称为一本书。在不受限制的意义上,一本书是组成的整体,这些部分,无论称为书籍、章节还是部分,都是其中的一部分。实体书中的知识内容不必是作文,甚至也不必称为书。书籍只能包含图画、版画或照片、填字游戏或剪纸娃娃。在实体书中,页

中文名
图书
类型
知识
来源
人类社会实践
拼音
tú shū
外文名
Book
目的
传播知识
经营效益
较为稳定

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