 |
electron impact
| spectrometry
| electron impact | |
| chem. | 电子轰击 |
| el. | 电子碰撞 |
| shipb. | 电子冲击 |
| spectrometry | |
| desert. | 光谱测定 |
| hydroel.st. | 光谱测定法 |
| met. | 光谱测量; 能谱测量 |
| |||
| 电子轰击 | |||
| 电子冲击 | |||
| 电子碰撞 | |||
| |||
| 电子碰撞离子源 | |||
| electron impact: 16 phrases in 7 subjects |
| Earth sciences | 3 |
| Ecology | 2 |
| Electronics | 5 |
| Geology | 1 |
| Polymers | 1 |
| Space | 2 |
| Technology | 2 |