| |||
| 递归模型 | |||
| |||
| 循环模式 (即一组变数的现值决定另一组变数的现值，而后者变数的现值决定前者的现值) | |||
|
recursive model : 5 phrases in 4 subjects |
| Agriculture | 1 |
| Earth sciences | 2 |
| Project management | 1 |
| Water resources | 1 |
| |||
| 递归模型 | |||
| |||
| 循环模式 (即一组变数的现值决定另一组变数的现值，而后者变数的现值决定前者的现值) | |||
|
recursive model : 5 phrases in 4 subjects |
| Agriculture | 1 |
| Earth sciences | 2 |
| Project management | 1 |
| Water resources | 1 |