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分级分组
econ.
multi-step grouping
分级分组
:
34 phrases
in 16 subjects
Agriculture
1
Automobiles
2
Business
5
Computer networks
2
Cryptography
1
Electronics
2
General
1
Hydroelectric power stations
1
Information technology
3
International Monetary Fund
1
Management
1
Name of organization
2
Oil / petroleum
1
Shipbuilding
1
Technology
9
Telecommunications
1
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