在巴比伦记数制中，代表1和10的记号是基本记号。
In the Babylonian system the symbols for 1 and 10 were basic.
第一个是它显示系统分类器的静态结构；第二个理由是图为U ML描述的其他结构图提供了基本记号。
The first is that it shows the static structure of classifiers in a system; the second reason is that the diagram provides the basic notation for other structure diagrams prescribed by UML.
相反的，该文及本系列文章的目的主要是帮助大家对于记号元素——语法和含义有一个基本的理解。
Instead, the purpose of this article and of the series in general is to help with a basic understanding of notation elements - their syntax and their meanings.
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