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| 材料的品质因数 | |||
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| 材料 | |||
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材料 : 131 phrases in 6 subjects |
| Electronics | 13 |
| Isolation | 3 |
| Piezoelectric crystals | 4 |
| Risk Management | 1 |
| Superconductivity | 1 |
| Technology | 109 |
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