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It should go without saying that the focus of UML is modeling. However, what that means, exactly, can be an open-ended question.(71) is a means to capture ideas, relationships, decisions, and requirements in a well-defined notation that can be applied to many different domains. Modeling not only means different things to different people, but also it can use different pieces of UML depending on what you are trying to convey. In general, a UML model is made up of one or more(72). A.diagram graphically represents things, and the relationships between these things. These(73) can be representations of real-world objects, pure software constructs, or a description of the behavior. of some other objects. It is common for an individual thing to show up on multiple diagrams; each diagram represents a particular interest, or view, of the thing being modele D.UML 2.0 divides diagrams into two categories: structural diagrams and behavioral diagrams.(74) are used to capture the physical organization of the things in your system, i.e., how one object relates to another.(75) focus on the behavior. of elements in a system. For example, you can use behavioral diagrams to capture requirements, operations, and internal state changes for elements.
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A little girl was given so many picture books on her seventh birthday that her father thought his daughter should give one or two of her new books to a litter neighbor boy named Robert.
Now, taking books, or anything else, from a little girl is like taking candy from a baby, but the father of the little girl had his way and Robert got two of her books. "After all, that leaves you with nine", said the father, who thought he was a philosopher and a child psychologist, and couldn't shut his big stupid mouth on the subject.
A few weeks later, the father went to his library to look up "father" in the Oxford English Dictionary, to feast his eyes on(饱眼福) the praise of fatherhood through the centuries, but he couldn't find volume F~G and then he discovered that three others were missing, too—A~B, L~M, V~Z. He began to search his household, and learned what had happened to the four missing volumes.
"A man came to the door this morning", said his little daughter, "and he didn't know how to get from here to Torrington, or from Torrington to Winsted, and he was a nice man, much nicer than Robert, and so I gave him four of your books. After all, there are thirteen volumes in the Oxford English Dictionary, and that leaves you with nine".
How does the writer feel about taking picture books from a little girl？
In passage 2, the sentence "women are better liars than men do" probably means
在UML的各种视图中，(45)显示外部参与者观察到的系统功能；(46)从系统的静态结构和动态行为角度显示系统内部如何实现系统的功能；(47)显示的是源代码以及实际执行代码的组织结构。
一个具有m个结点的二叉树，其二叉链表结点(左、右孩子指针分别用left和right表示)中的空指针总数必定为(57)个。为形成中序(先序、后序)线索二叉树，现对该二叉链表所有结点进行如下操作：若结点p的左孩子指针为空，则将该左指针改为指向p在中序(先序、后序)遍历序列的前驱结点；若p的右孩子指针为空，则将该右指针改为指向p在中序(先序、后序)遍历序列的后继结点。假设指针s指向中序(先序、后序)线索二叉树中的某结点，则(58)。
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