The EJB specification is mature, yielding the benefit of well-known design patterns, case studies, and best practices, as well as a rich set of vendor-supported development tools.
EJB规范比较成熟，因而有许多优势：众所周知的设计模式、案例研究和最佳实践，还有丰富的供应商支持的开发工具集。
The EJB specification is mature, yielding the benefit of well-known design patterns, case studies, and best practices, as well as a rich set of vendor-supported development tools.
EJB规范比较成熟，因而有许多优势：众所周知的设计模式、案例研究和最佳实践，还有丰富的供应商支持的开发工具集。
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