id	sid	eid	entity	type
bece-512	1	1	bece	ORG
bece-512	2	1	2021 1143	CARDINAL
bece-512	3	1	guo	PERSON
bece-512	3	2	c.	PERSON
bece-512	3	3	xu z.	PERSON
bece-512	3	4	s.	PERSON
bece-512	3	5	guo	PERSON
bece-512	3	6	peking university	ORG
bece-512	3	7	beijing	GPE
bece-512	3	8	china 100871	DATE
bece-512	4	1	peking university	ORG
bece-512	4	2	tsinghua university	ORG
bece-512	5	1	recent years	DATE
bece-512	6	1	2017	DATE
bece-512	6	2	2	CARDINAL
bece-512	6	3	first	ORDINAL
bece-512	6	4	peking university	ORG
bece-512	6	5	the university of science and technology of china	ORG
bece-512	7	1	two	CARDINAL
bece-512	7	2	china	GPE
bece-512	8	1		CARDINAL
bece-512	8	2	the past few years	DATE
bece-512	8	3	34%	PERCENT
bece-512	9	1		CARDINAL
bece-512	9	2	26	CARDINAL
bece-512	9	3	one	CARDINAL
bece-512	9	4	w mailto:cbguoguoguo@pku.edu.cn	NORP
bece-512	9	5	2021	CARDINAL
bece-512	10	1		CARDINAL
bece-512	11	1	first	ORDINAL
bece-512	13	1		CARDINAL
bece-512	14	1		CARDINAL
bece-512	15	1		CARDINAL
bece-512	16	1		CARDINAL
bece-512	18	1		CARDINAL
bece-512	19	1	2021	CARDINAL