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| horizontal synchronization | |||
| horizontal sync | |||
| horizontal hold | |||
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水平同步 : 32 phrases in 7 subjects |
| Air defense | 2 |
| Construction | 1 |
| Electronics | 1 |
| General | 1 |
| Multimedia | 1 |
| Shipbuilding | 3 |
| Technology | 23 |
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