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| 自动数字输入输出设备 | |||
| 自动数字输入/输岀 (设备) | |||
| automatic digital input/output: 7 phrases in 6 subjects |
| Aviation | 1 |
| Business | 1 |
| Computers | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Space | 2 |
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