 |
| |||
| 比率 在一定时间间隔内数量上的变化。 | |||
|
arvo : 28 phrases in 6 subjects |
| Electric machinery | 4 |
| Electronics | 2 |
| Environment | 6 |
| Mathematics | 7 |
| Power system protection | 3 |
| Statistics | 6 |
|
| |||
| 比率 在一定时间间隔内数量上的变化。 | |||
|
arvo : 28 phrases in 6 subjects |
| Electric machinery | 4 |
| Electronics | 2 |
| Environment | 6 |
| Mathematics | 7 |
| Power system protection | 3 |
| Statistics | 6 |