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| ordinary symbol | |||
| general symbols | |||
| common symbol | |||
| conventional sign | |||
| conventional symbol | |||
| general symbol | |||
| universal signal | |||
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通 用符号 : 24 phrases in 11 subjects |
| Business | 1 |
| Computers | 2 |
| Earth sciences | 1 |
| Electronics | 6 |
| General | 1 |
| Multimedia | 1 |
| Project management | 1 |
| Securities | 1 |
| Space | 3 |
| Technology | 3 |
| Telecommunications | 4 |
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