| |||
| 整群抽样 | |||
| 序贯选择; 顺序选择 | |||
|
sequential selection : 7 Phrasen in 5 Thematiken |
| Computer | 1 |
| Elektronik | 1 |
| Geowissenschaften | 1 |
| Informationstechnik | 3 |
| Telekommunikation | 1 |
| |||
| 整群抽样 | |||
| 序贯选择; 顺序选择 | |||
|
sequential selection : 7 Phrasen in 5 Thematiken |
| Computer | 1 |
| Elektronik | 1 |
| Geowissenschaften | 1 |
| Informationstechnik | 3 |
| Telekommunikation | 1 |