 |
| |||
| 未作答问卷; 未作答选题 | |||
| 不回答，无响应 | |||
| 不回答; 无响应 | |||
| 无反应 | |||
| non-response: 25 phrases in 12 subjects |
| Advertising | 1 |
| Agriculture | 1 |
| Aviation | 1 |
| Earth sciences | 2 |
| Ecology | 1 |
| Electric machinery | 1 |
| Oil / petroleum | 1 |
| Otorhinolaryngology | 1 |
| Space | 1 |
| Statistics | 3 |
| Technology | 11 |
| Wind Energy | 1 |
|
| |||
| 未作答问卷; 未作答选题 | |||
| 不回答，无响应 | |||
| 不回答; 无响应 | |||
| 无反应 | |||
| non-response: 25 phrases in 12 subjects |
| Advertising | 1 |
| Agriculture | 1 |
| Aviation | 1 |
| Earth sciences | 2 |
| Ecology | 1 |
| Electric machinery | 1 |
| Oil / petroleum | 1 |
| Otorhinolaryngology | 1 |
| Space | 1 |
| Statistics | 3 |
| Technology | 11 |
| Wind Energy | 1 |