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| chronometry (学) | |||
| chronometry; horology | |||
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测时术 : 19 phrases in 7 subjects |
| Business | 1 |
| Cryptography | 1 |
| Economics | 2 |
| Electronics | 10 |
| Information technology | 1 |
| Power electronics | 1 |
| Technology | 3 |
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