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supporting document | |||
supporting paper | |||
illustrative document |
说明文 件 : 44 phrases in 13 subjects |
Aviation | 15 |
Business | 1 |
Commerce | 1 |
Economy | 3 |
Electronics | 1 |
Exhibitions | 1 |
Information technology | 4 |
Librarianship | 1 |
Metallurgy | 1 |
Project management | 5 |
Space | 5 |
Technology | 5 |
Telecommunications | 1 |