该变量中包含一个索引，以告知事件处理程序应使用流程的输入变量中审阅人员列表内的哪个审阅人员。

The variable contains an index that tells the event handler which reviewer it should use out of the list of reviewers in the process's input variable.

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使用事件处理程序的索引来从全局输入列表中选择输入值。

Use the event handler’s index to select the input out of the global input list.

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它使用一个调度程序来发起周期性的事件，比如爬网程序执行和全文索引维护。

It USES a scheduler to initiate periodic events, such as crawler executions and full-text index maintenance.

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