| |||
| 列控 | |||
| 列车控制; 列车调度 | |||
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Train Control : 76 phrases in 14 subjects |
| Air defense | 1 |
| Automated equipment | 1 |
| Automobiles | 4 |
| Aviation | 1 |
| Business | 4 |
| Communications | 20 |
| Earth sciences | 1 |
| Economics | 1 |
| Electronics | 5 |
| Radio | 1 |
| Rail transport | 16 |
| Space | 1 |
| Technology | 18 |
| Transport | 2 |