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| 逐层 | |||
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layer-to-layer : 30 phrases in 13 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| China | 2 |
| Construction | 1 |
| Electric machinery | 7 |
| Electronics | 2 |
| Power electronics | 1 |
| Project management | 2 |
| Scientific | 1 |
| Semiconductors | 2 |
| Technology | 3 |
| Telecommunications | 1 |
| United Nations | 6 |