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| 乐谱中的小节线 | |||
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| 杆形线 | |||
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bar-line : 14 phrases in 6 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Electric machinery | 1 |
| Metallurgy | 1 |
| Technology | 9 |
| Telecommunications | 1 |
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