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| 双误差检查码 | |||
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double error detecting : 9 phrases in 2 subjects |
| Electronics | 7 |
| Information technology | 2 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
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