 |
| |||
| 二次发射电子; 次级原子 | |||
| 二次电子; 次级电子 | |||
|
secondary electron : 53 phrases in 11 subjects |
| Air defense | 1 |
| Aviation | 3 |
| Earth sciences | 2 |
| Electronics | 29 |
| General | 1 |
| Geophysics | 1 |
| Metallurgy | 1 |
| Physics | 1 |
| Radio | 3 |
| Space | 2 |
| Technology | 9 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips