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四重
tech.
quad
;
quadruple
;
quadruplex
(线号)
;
tetramerous
四重
的
sport., med.
fourfold
四重:
120 phrases
in 26 subjects
Agriculture
10
Air defense
4
Animal husbandry
1
Archery
1
Architecture
1
Automobiles
2
Business
4
Chemistry
3
Computers
1
Electric machinery
1
Electronics
9
Exhibitions
2
General
18
Genetics
3
Information technology
3
Mathematics
3
Metallurgy
3
Oil / petroleum
1
Perfume
1
Polymers
1
Securities
1
Shipbuilding
1
Space
3
Statistics
1
Technology
38
Telecommunications
4
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