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| symbol definition | |||
| 符号定义: 14 phrases in 5 subjects |
| Business | 1 |
| Electronics | 3 |
| Information technology | 2 |
| Space | 1 |
| Technology | 7 |
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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