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libr.
标准编号
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51 phrases
in 19 subjects
Aviation
1
Bridge construction
1
Business
2
China
1
Cryptography
1
Earth sciences
3
Economy
1
Electronics
7
General
1
Information technology
3
International trade
1
Librarianship
6
Name of organization
1
Oil / petroleum
2
Securities
1
Space
1
Technology
11
Telecommunications
6
Work flow
1
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