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| coefficient de Townsend | |||
| coefficient de Townsend (ionization coefficient); coefficient d'ionisation (ionization coefficient, de Townsend); constante d'ionisation (ionization coefficient) | |||
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Townsend coefficient : 1 短语, 1 学科 |
| 核辐射 | 1 |
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| coefficient de Townsend | |||
| coefficient de Townsend (ionization coefficient); coefficient d'ionisation (ionization coefficient, de Townsend); constante d'ionisation (ionization coefficient) | |||
|
Townsend coefficient : 1 短语, 1 学科 |
| 核辐射 | 1 |