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即年指标（ImmediacyIndex）：期刊论文被用户利用的速度或时差也是评价的一个重要数据，即年指标就反映了用户这方面的使用趋势。也就是说即年指标就是用该刊当年发表论文被引用次数除以该刊当年发表总数。据此可以表征期刊的“及时反映速率”，所以即年指标有时也被称为当年?
Immediacy Index: The speed or time difference of journal articles being used by users is also an important data for evaluation. That is, the annual index reflects the user trend in this respect. In other words, the annual index is the number of citations published in that journal in the year divided by the total number published in that journal. Based on this, the journal’s “prompt response rate” can be characterized, so the MYR is also sometimes called the current year?