说明：  本书是面向对象大师Martin Fowler又一力作，正在构建企业级用应，希望增进对架构相关问题理解和沟通程序员，设计人员不可多得的资料
(Object-oriented book is another masterpiece Guru Martin Fowler, is used to build enterprise-class should be, hope to enhance their understanding of the structure and communication issues related to programmers, designers invaluable information)