本刊讯《2012年版中国科技期刊引证报告(扩刊版)》发布了其收录的6 217种期刊的计量指标,其中11项主要指标的平均值如下:1)总被引频次5次/刊(≥1 000次/刊的期刊1 675种);2)影响因子0.390(≥1.000的期刊410种);3)即年指标0.058(412种期刊0);4)基金论文比0.249(341种期刊0); The Journal of the 2012 edition of China Science and Technology Journals Citation Report (Expanded Edition) published 6 217 kinds of journals included in its measurement indicators, of which 11 major indicators of the average are as follows: 1) The total number of citations 5 times per issue (1, 675 kinds of journals with 1 000 or more journals); 2) 41090 journals with impact factors of 0.390 (≥1.000); 3) the annual indicator of 0.058 (412 journals 0); 4) more than 0.249 Journal 0);