 |
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| N-type impurity; N negative-type impurity | |||
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| donor | |||
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| p-type impurity | |||
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型杂质 : 13 phrases in 6 subjects |
| Construction | 1 |
| Earth sciences | 2 |
| Electronics | 2 |
| General | 1 |
| Metallurgy | 6 |
| Technology | 1 |
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