论文部分内容阅读
为了推进科技信息交流,广泛宣传科技成果,拓展科技期刊的读者群体,本刊已经加入《北京科研条件网》科技期刊群,凡向本刊投稿并被录用的文章(不含广告类信息)一律纳入《北京科研条件网》科技期刊群,进入Interntt网提供信息咨询服务,如不同意文章上网者,请另投它刊。本刊
In order to promote the exchange of scientific and technological information, widely publicize scientific and technological achievements and expand the readership of scientific and technical journals, this journal has joined the group of scientific and technological journals of “Beijing Research and Conditions Network”, and all articles submitted to this journal and accepted (excluding advertising information) Included in the “Beijing Research Conditions Network” scientific and technological periodicals group, enter the Interntt network to provide information consulting services, if you do not agree with articles, please vote for another publication. Articles