 |
| |||
| globe lens | |||
| spherical lens | |||
| 球透镜: 33 phrases in 9 subjects |
| Agriculture | 1 |
| Automobiles | 1 |
| Construction | 1 |
| Electronics | 3 |
| General | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Space | 4 |
| Technology | 20 |
|
| |||
| globe lens | |||
| spherical lens | |||
| 球透镜: 33 phrases in 9 subjects |
| Agriculture | 1 |
| Automobiles | 1 |
| Construction | 1 |
| Electronics | 3 |
| General | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Space | 4 |
| Technology | 20 |