Thsi UML Book contains complete toolkit of UML2. It can be helpful for drawing UML diagrams like class diagram, component diagram etc.

UML的构件建模UML component modelingUML支持对逻辑构件（如业务构件、过程构件）和物理构件-UML component modeling UML component modelingUML support logic components (such as business components, process components) and physical component

：铁道车辆动力学仿真活动包括仿真软件开发和使用软件建模仿真两个阶段。以面向对象的 观点和方法重新研究了铁道车辆动力学仿真建模的需求和仿真软件设计。使用统一建模语言UML 记录了3D 组态动力学仿真建模需求，系统、部件、状态变量三级结构下的动力学计算机制，仿真 软件结构和应用领域中重要的类及其关系。实现了一个基于部件影射的6 自由度全量非线性的铁道 车辆动力学仿真软件。-: Railway Vehicle Dynamics Simulation activities include

关于UML的讲解uml部署图uml类图uml序列图uml组件图用例编写状态图，简单易懂-Explanations on the UML class diagram uml deployment diagram uml component diagram uml sequence diagrams uml state diagram use case writing, easy to understand