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单元系
met.
one-component system
;
unary system
tech.
cellular system
(统)
;
unitary system
(统)
;
unit system
(统)
单元系
:
96 phrases
in 23 subjects
Agriculture
1
Air defense
2
Automobiles
3
Aviation
10
Business
1
Computer networks
5
Earth sciences
2
Economy
1
Electric machinery
1
Electronics
35
Horticulture
1
Information technology
1
Mathematics
1
Metallurgy
2
Multimedia
1
Oil / petroleum
2
Pharmacology
1
Project management
1
Rail transport
1
Space
5
Technology
15
Telecommunications
2
Textile industry
2
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