However, if a result set is unordered, no num attribute is used.
不过，如果结果集是无序的，则不使用num属性。
First, the function will be called, and num will be set equal to 4.
首先，这个函数会被调用，num会设置为4。
Set the application's locale to be "en-num" and go over all the screens of your application.
将此应用程序的本地语言环境设置为 “en-num”并遍历应用程序的所有屏幕。
Therefore, if thread 1 called foo and thread 2 called bar concurrently, thread 1 might set stop to true before num is set to 100.
因此，如果线程1调用foo并且线程2 并发地调用bar，则线程 1可能在num 被设置成为 100之前将stop 设置成true。
Now, in the new call to factorial, num is set to 3.
现在，在新一次调用factorial时，num被设置为3。
This means that if stop is ever true, num must have been set to 100.
这意味着如果stop曾经是true,num一定曾被设置成100。
This means that if stop is ever true, num must have been set to 100.
这意味着如果stop曾经是true,num一定曾被设置成100。
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