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| 归基准记录制 | |||
| 归基制记录 | |||
| 归参考记录; 返回基准记录法 | |||
| 归基准记录 | |||
| return-to- reference recording: 7 phrases in 4 subjects |
| Information technology | 2 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Technology | 2 |
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