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| 示波图 | |||
| 示波器描迹; 示波器迹线 | |||
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oscilloscope trace : 12 phrases in 6 subjects |
| Air defense | 2 |
| Electronics | 5 |
| Information technology | 1 |
| Nuclear and fusion power | 1 |
| Space | 1 |
| Technology | 2 |
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