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.
这一点显然是上一点的延伸，令人愉快的平行查询在具有更多核心的机器上执行速度比较快，因为工作可以分配至更多的并行执行绪上。
This point is an obvious corollary to the previous section, queries that are delightfully parallel run faster on machines with more cores because the work can be divided among more concurrent threads.
在您要将中断点放置在个别执行绪上时，可以使用的中断点筛选条件。
Use breakpoint filters when you want to place a breakpoint on an individual threads.
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