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二次电子发射
| 系数
| 二次电子发射 | |
| el. | secondary electron emission; secondary electron-emission |
| 系数 | |
| hydroel.st. | factor; parameter |
| met. | moduli; quotient; ratio |
| sport. med. | constant |
| tech. | coefficient |
| |||
| secondary electron-emission | |||
| secondary electron emission | |||
| |||
| secondary electron emission device | |||
| 二次电子发射: 10 phrases in 4 subjects |
| Air defense | 1 |
| Earth sciences | 1 |
| Electronics | 6 |
| Technology | 2 |
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