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单元组
telecom.
sigma
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unique tuple
单 元 组
:
162 phrases
in 28 subjects
Architecture
1
Astronautics
1
Automobiles
1
Aviation
10
Bridge construction
1
Business
2
Chemistry
5
Electric machinery
5
Electronics
42
Engineering geology
1
Exhibitions
1
General
5
Geophysics
1
Hydroelectric power stations
1
Information technology
8
Life sciences
1
Metallurgy
1
Oil / petroleum
5
Polymers
3
Project management
1
Rail transport
5
Refrigeration
4
Shipbuilding
2
Space
14
Steel production
1
Technology
36
Telecommunications
2
Textile industry
2
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