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问题类
IT
problem class
proj.manag.
question marks
问题类:
29 phrases
in 15 subjects
Artificial intelligence
2
Business
3
Ecology
1
Economy
2
Environment
1
Finances
1
Information technology
3
Librarianship
1
Mathematics
1
Multimedia
1
Name of organization
2
Quality control and standards
1
Space
1
Technology
7
United Nations
2
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