| |||
| 可变间隔 | |||
|
variable-interval : 10 phrases in 7 subjects |
| Air defense | 1 |
| Artificial intelligence | 1 |
| Business | 1 |
| Earth sciences | 1 |
| Electronics | 2 |
| Statistics | 1 |
| Technology | 3 |
| |||
| 可变间隔 | |||
|
variable-interval : 10 phrases in 7 subjects |
| Air defense | 1 |
| Artificial intelligence | 1 |
| Business | 1 |
| Earth sciences | 1 |
| Electronics | 2 |
| Statistics | 1 |
| Technology | 3 |