 |
| |||
| 双脉冲 | |||
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| 双重脉冲的 | |||
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double- pulse : 21 phrases in 12 subjects |
| Air defense | 3 |
| Aviation | 1 |
| Chemistry | 1 |
| Earth sciences | 1 |
| Electronics | 4 |
| Information technology | 1 |
| Metallurgy | 1 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 5 |
| Telecommunications | 1 |
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