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来源:雅诚德英语网
The journal numbers, sort average value, max value, journal numbers of chemistry and chemical industry journals were analyzed by contrastive analysis methods.
采用对比分析方法,对中国学术期刊化学化工类科技期刊的期刊数、影响因子的类目均值、影响因子的最高值和最低值进行统计分析。