%A %T %0 Journal Article %D 2013 %J Science & Technology Review %R 10.3981/j.issn.1000-7857.2013.h1.001 %P 15-20 %V 31 %N 5-6 %U {http://www.kjdb.org/CN/abstract/article_10117.shtml} %8 2013-02-28 %X