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| |||
| 目视肉眼观察 | |||
| 直观观察 | |||
| 目测法 | |||
| 视测 | |||
| 目力监测 | |||
| 肉眼观察 | |||
| 目 | |||
| 目测; 外部观察; 直观研究 | |||
| 目视观测; 肉眼观测 | |||
| 肉眼〔目视〕观察; 目力观察 | |||
| 视觉观察 | |||
| 直观研究法; 目测 (法) | |||
| 目视观察 | |||
|
visual observations : 9 phrases in 6 subjects |
| Aviation | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 4 |
| Technology | 1 |
| United Nations | 1 |
| Wind Energy | 1 |