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什么是SCI一区二区

更新时间: 2021-01-17 15:37:19     

1、将所有SCI期刊按影响因子排序,前5%是一区,前20%是二区,前50%是三区,剩下的是四区。

2、或者这样子说:一般SCI论文分四个区,一区都是国际顶级期刊,二区次之,三区和四区是一般的SCI期刊。

关键词: 什么 sci

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