本书介绍了状态机的基本概念，并结合statemate开发软件详细阐述了基于状态机的嵌入式软件开发方法。该书的作者David Harel是UML中状态机的开创者，该书的重要性可见一斑。-This book introduces the basic concept of statemachine and details the development method using statemate software. David Harel, author of the book is the inventor of statemachine of UML and the book is very useful.