id	domain	url
bece-1395	www.creativecommons.org	http://www.creativecommons.org/licenses/by-nc/4.0/
bece-1395	www.creativecommons.org	http://www.creativecommons.org/licenses/by-nc/4.0
bece-1395	doi.org	https://doi.org/10.16196/j.cnki.issn.16734793.2019.06.005
bece-1395	doi.org	https://doi.org/10.16196/j.cnki.issn.1673-4793.2019.06.005
bece-1395	doi.org	https://doi.org/10.16196/j.cnki.issn.1673-4793.2019.06.005