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| M 使 M 完结; M 结束 M | |||
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period to : 43 phrases in 16 subjects |
| Agriculture | 1 |
| Animal husbandry | 1 |
| Business | 3 |
| China | 6 |
| Commerce | 1 |
| Earth sciences | 1 |
| Economy | 8 |
| Electronics | 2 |
| General | 7 |
| Metallurgy | 4 |
| Nursing | 3 |
| Oil / petroleum | 1 |
| Project management | 1 |
| Space | 1 |
| Technology | 1 |
| United Nations | 2 |
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