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| 次级离子; 二次发射离子 | |||
| 二次离子 | |||
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secondary ion : 44 phrases in 10 subjects |
| Aviation | 1 |
| Earth sciences | 4 |
| Electronics | 20 |
| Geology | 3 |
| Oil processing plants | 1 |
| Plastics | 1 |
| Polymers | 4 |
| Space | 1 |
| Technology | 8 |
| Water resources | 1 |
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