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on request | |||
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by desire | |||
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at the instance of |
应请求: 27 phrases in 12 subjects |
Agriculture | 1 |
Aviation | 1 |
Computer networks | 2 |
Electronics | 9 |
General | 2 |
Information technology | 2 |
Law | 1 |
Project management | 2 |
Space | 2 |
Steel production | 1 |
Technology | 3 |
United Nations | 1 |