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服务元素 |
service element : 65 phrases in 12 subjects |
Agriculture | 1 |
Aviation | 5 |
Communications | 2 |
Computer networks | 2 |
Electronics | 26 |
Geophysics | 1 |
Information technology | 9 |
Multimedia | 3 |
Rail transport | 1 |
Space | 2 |
Technology | 3 |
Telecommunications | 10 |