 |
| |||
| 场致发射电子的 | |||
| field -electron: 39 phrases in 12 subjects |
| Aviation | 1 |
| Chemistry | 1 |
| Earth sciences | 1 |
| Electronics | 23 |
| Geology | 1 |
| Life sciences | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Polymers | 2 |
| Radio | 1 |
| Space | 1 |
| Technology | 5 |
|
| |||
| 场致发射电子的 | |||
| field -electron: 39 phrases in 12 subjects |
| Aviation | 1 |
| Chemistry | 1 |
| Earth sciences | 1 |
| Electronics | 23 |
| Geology | 1 |
| Life sciences | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Polymers | 2 |
| Radio | 1 |
| Space | 1 |
| Technology | 5 |