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.
由于类图是如此基本，本文的剩余部分将会把重点集中在类图记号集。
And because the class diagram is so foundational, the remainder of this article will focus on the class diagram's notation set.
第一章我们主要介绍问题的提出和一些基本概念及记号。
The first chapter gives the origin of the problem and notation and some definitions.
本文主要内容有第一章主要介绍本文需要用到的基本定理，常用的记号以及模型问题。
This thesis is arranged as follows:In Chapter 1, we introduce some elementary theorems, usual notations and model problems needed in other chapters.
本文主要内容有第一章主要介绍本文需要用到的基本定理，常用的记号以及模型问题。
This thesis is arranged as follows:In Chapter 1, we introduce some elementary theorems, usual notations and model problems needed in other chapters.
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