Queue Index 队列索引
If you have only one running instance of the Index Update Service, then multiple tasks will queue until the executing task completes.
如果您只有一个Index Update Service的运行实例，那么多个任务将会排队等待，直到执行任务完成。
A change that introduces some sort of index that allows access to random elements of the large retransmission queue is critical to address the find-first attacks against the TCP stack.
这个改变引入一些索引，允许对大的重传队列中的元素进行随机访问，这个改变对于解决TCP协议栈的find - first攻击问题很重要。
FileDialog will load a new file and then increment the index variable which is used by the application's queue in order to track previously visited Web pages.
fileDialog将加载一个新文件，然后递增index变量，应用程序的queue使用该变量跟踪此前访问过的web页面。
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