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中环 zhōnghuán
gen.	medium-ring
archit.	intermediate belt (路)
chem.	medium ring
el.	discharge ring
tech.	middle ring

中环 : 484 phrases in 63 subjects

Agriculture	7
Air defense	2
Anatomy	1
Angling hobby	1
Animal husbandry	3
Archery	1
Automobiles	5
Aviation	24
Business	6
Ceramics	1
Chemistry	10
China	3
Commerce	2
Computer networks	1
Computer numerical control	2
Dancing	1
Desert science	8
Earth sciences	73
Ecology	16
Economy	1
Electric machinery	2
Electronics	33
Environment	20
Explosives and Explosive Ordnance Disposal	2
Finances	2
General	11
Geophysics	2
Gymnastics	3
Hydroelectric power stations	4
Information technology	8
International trade	2
Latin	1
Management	1
Medical	1
Metallurgy	2
Name of organization	9
Nautical	4
Navigation	1
Nursing	1
Oil / petroleum	6
Oil processing plants	3
Otorhinolaryngology	1
Piezoelectric crystals	1
Project management	6
Psychology	1
Radio	1
Rail transport	2
Refrigeration	4
Reproductive biology	2
Rowing	1
Shooting sport	1
Space	18
Sports	2
Surgery	1
Technology	96
Telecommunications	4
Textile industry	1
Tools	1
United Kingdom	1
United Nations	45
United States	3
Water resources	4
Wind Energy	2