startUML教程（PPT）格式 本资料对UML1.5各种模型图的构成和功能进行说明，通过本资料的学习达到可以读懂UML模型图的目的。本资料不涉及模型图作成的要点等相关知识-startUML tutorials (PPT) format of the data model diagram of UML1.5 and function of the composition described by the data to be read to learn the purpose of the UML model diagram. The data model diagram does not involve the main points made of knowledge