J2EE体系结构是以一个4层模型为基础而建立的，该模型刻划了J2EE兼容的企业应用程序的特征。
The J2EE architecture is based on a four-tier layer model that characterizes a J2EE-compliant enterprise application.
J2EE体系结构是以一个4层模型为基础而建立的，该模型刻划了J2EE兼容的企业应用程序的特征。
The J2EE architecture is based on a four-tier layer model that characterizes a J2EE-compliant enterprise application.
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