为了让您的多执行绪元件成为安全执行绪，您必须协调共用资源的存取。

In order for your multithreaded components to be thread-safe, you must coordinate access to Shared resources.

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列举值通常没有集合的独占存取权，因此列举集合本质上并非安全执行绪的程序。

Typically the enumerator does not have exclusive access to the collection; therefore, enumerating through a collection is intrinsically not a thread-safe procedure.

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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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