direct vision
| method
| direct vision | |
| avia. | 直接观察 |
| physiol. | 中央视觉; 直接视觉 |
| tech. | 直视 |
| direct-vision | |
| avia. | 直接观察 |
| jewl. | 直视的 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 直接观察 | |||
| 中央视觉; 直接视觉 | |||
| 直视 | |||
| |||
| 直接观察 (窗) | |||
| 直视的 | |||
| 直接观察 | |||
|
direct vision : 41 phrases in 13 subjects |
| Agriculture | 1 |
| Aviation | 3 |
| Chemistry | 2 |
| Construction | 3 |
| Metallurgy | 2 |
| Nursing | 1 |
| Otorhinolaryngology | 1 |
| Photography | 1 |
| Road construction | 1 |
| Space | 1 |
| Surgery | 4 |
| Technology | 20 |
| Television | 1 |