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限制空间 : 44 phrases in 14 subjects |
Agriculture | 1 |
Artificial intelligence | 1 |
Automobiles | 1 |
Aviation | 3 |
Business | 1 |
Electronics | 15 |
General | 3 |
Information technology | 3 |
Management | 1 |
Oil / petroleum | 1 |
Polymers | 1 |
Radio | 2 |
Space | 8 |
Technology | 3 |