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引用第4楼iiiyyyhhhsss于2009-09-05 14:41发表的 :an unspecified order,那么也就是说是随机的了。。。。还有3楼的情况可以分析一下吗?
If several slots are connected to one signal, the slots will be executed one after the other, in an arbitrary order, when the signal is emitted.