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black-box | |||
black box |
黑箱 : 19 phrases in 14 subjects |
Aviation | 2 |
Business | 2 |
Chemistry | 1 |
Desert science | 1 |
Earth sciences | 1 |
Economy | 1 |
Finances | 2 |
General | 2 |
Information technology | 1 |
Marketing | 1 |
Oil / petroleum | 1 |
Project management | 1 |
Technology | 1 |
Telecommunications | 2 |