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并集 bìngjí
IT	union set
tech.	sum aggregate
telecom.	join; union
排水水系的并集 bìngjí
agric., water.suppl.	integration
并〔和〕集
construct.	sum aggregate

并集: 53 phrases in 18 subjects

Aviation	1
Business	8
Cryptography	1
Economy	1
Electronics	4
Finances	1
General	3
Information technology	4
International trade	4
Logistics	1
Oil / petroleum	2
Otorhinolaryngology	1
Project management	1
Securities	2
Space	2
Technology	12
Telecommunications	4
Transport	1