At present , enterprise applications are typically built on multi - tiered object - oriented platforms , such as java and . net 现阶段的企业开发,一般依赖于n层面向对象的平台,例如j2ee和. net 。
Then define a model description language according to the design pattern of applications to describe the information of object - oriented platform independent model ( pim ) . and then design a modeling tool to build platform independent model 然后结合应用程序的设计模式定义了模型描述语言,描述面向业务对象的平台无关模型信息,并设计建模工具完成对平台无关模型的建立。