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| 电子学试验信号 | |||
| 〔客〕测试信号 | |||
| 试验信号 | |||
| ★ 测试信号 | |||
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test-signal : 60 phrases in 13 subjects |
| Automobiles | 3 |
| Aviation | 9 |
| Communications | 2 |
| Construction | 2 |
| Electronics | 13 |
| General | 1 |
| Information technology | 2 |
| Project management | 1 |
| Radio | 1 |
| Rail transport | 1 |
| Space | 7 |
| Technology | 13 |
| Telecommunications | 5 |