由于大小和效能因素，MFC 物件在物件层级上不是安全执行绪，只有在类别层级上才是。

For size and performance reasons, MFC objects are not thread-safe at the object level, only at the class level.

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解决了物件定义中的警告后，您也应该考虑分析资料库程序码的设计问题、命名问题及效能问题。

After you resolve warnings in object definitions, you should also consider analyzing your database code for design issues, naming issues, and performance issues.

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记忆体回收行程会根据保留时间将物件分成不同层代，因此提高记忆体管理效能。

The garbage collector improves memory management performance by dividing objects into generations based on age.

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