本文假设您熟悉EJB 3.0基本概念和对象关系(OR)映射基本概念。(若需了解这两个主题的更多信息，请参阅参考资料)。

This article assumes that you're familiar with basic EJB 3.0 and object-relational (or) mapping concepts (see Resources for more information on both subjects).

youdao

本文假设您熟悉EJB 3.0基本概念和对象关系(OR)映射基本概念。(若需了解这两个主题的更多信息，请参阅参考资料)。

This article assumes that you're familiar with basic EJB 3.0 and object-relational (or) mapping concepts (see Resources for more information on both subjects).

youdao