| |||
| 电子含量; 电子浓度 | |||
|
electron content : 5 phrases in 5 subjects |
| Electronics | 1 |
| Geophysics | 1 |
| Information technology | 1 |
| Space | 1 |
| Surveying | 1 |
| |||
| 电子含量; 电子浓度 | |||
|
electron content : 5 phrases in 5 subjects |
| Electronics | 1 |
| Geophysics | 1 |
| Information technology | 1 |
| Space | 1 |
| Surveying | 1 |