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digital control |
数 字 式控制 : 70 phrases in 13 subjects |
Air defense | 1 |
Automobiles | 6 |
Aviation | 29 |
Computer networks | 1 |
Earth sciences | 1 |
Electronics | 10 |
Geophysics | 2 |
Mechanics | 1 |
Refrigeration | 1 |
Space | 12 |
Technology | 4 |
Telecommunications | 1 |
Wind Energy | 1 |