一些雇主可能需要起重机操作员具备公司内部认证。

Internal company certification as a crane operator may be required by some employers.

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其他BIM软件需要将IFC的几何表示转换为其内部的数据结构，而IFC认证就是检查该转换过程是否正确。

Other BIM software has to interpret the IFC geometry into its own internal structure. The certification checks whether this takes place correctly.

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SessionFactory隐藏了实现内部的认证细节，因此一旦配置完成，使用同一证书的会话可以很容易的被检索出来。

SessionFactory hides the authentication details inside the implementation so that once configured, sessions with the same credentials can be easily retrieved.

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