《高级软件工程》课程教学大纲 Advanced Software Engineering

9.1 尺寸标注组成 9.2 尺寸标注调用 9.3 设置尺寸样式 9.4 尺寸标注方式 9.5 编辑尺寸标注

6.1 图案填充 6.2 编辑填充图案 6.3 添加图案样式

• 4.1 推断约束 • 4.2 正交 • 4.3 极轴追踪 • 4.4 显示捕捉参照线 • 4.5 显示捕捉参照点 • 4.6 显示线宽 • 4.7 其他辅助命令

广东工业大学：《计算机绘图》课程PPT教学课件（AutoCAD）01 绪论（负责人：张鹏）

1引言 1.1编写目的 说明编写这份软件需求说明书的目的,指出预期的读者。 1.2背景 说明:

一、功能 1.图书(书名、著、译者、出版社、单价、书号、出版时间)、期刊(期刊名、卷号、期号、主办单位)基本情况录入 2.借书登记(读者名,书名、借书日期、该读者已借书册数)

Too complex for complete analysis Separation into non-interacting subsystems distorts the results The most important properties are emergent Too organized for statistics Too much underlying structure that distorts the statistics Organized Complexity\(Weinberg) Copyright Nancy Leveson, Sept 1999

Abstract Model Specifications Build an abstract model of required software behavior using mathematically defined(perhaps using axioms )types(e. g sets, relations) Define operations by showing effects of that operation on the model Specification includes Model

Formal design Reviews Associated with each of documentation phases Evaluate with respect to Customer requirements Prescribed standards and practices Contractual requirements