id	domain	url
bece-521	www.creativecommons.org	http://www.creativecommons.org/licenses/bync/4.0/
bece-521	www.cnki.com.cn	https://www.cnki.com.cn/article/cjfd1994jyyj199410000.htm
bece-521	www.cnki.com.cn	https://www.cnki.com.cn/article/cjfd1994-jyyj199410000.htm
bece-521	www.cnki.com.cn	https://www.cnki.com.cn/article/cjfd1994-jyyj199410000.htm