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| 观测目视控制操纵; 肉眼直观检查 | |||
| 目测检查; 外观检查 | |||
| 直观控制; 视觉控制 | |||
| 肉眼检查; 肉眼控制; 直观检査 | |||
| 直接观察控制 | |||
| 视觉控制［操纵］ | |||
| 目视操纵; 视力控制 | |||
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visual control : 16 phrases in 7 subjects |
| Archery | 1 |
| Aviation | 3 |
| Business | 3 |
| Computers | 1 |
| Electronics | 5 |
| Space | 2 |
| Technology | 1 |
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