 |
| |||
| group velocity | |||
| group velocity (velocity of a group of waves of varying frequency) | |||
| group index | |||
| envelope velocity | |||
|
Gruppengeschwindigkeit : 1 短语, 1 学科 |
| 地球科学 | 1 |
|
| |||
| group velocity | |||
| group velocity (velocity of a group of waves of varying frequency) | |||
| group index | |||
| envelope velocity | |||
|
Gruppengeschwindigkeit : 1 短语, 1 学科 |
| 地球科学 | 1 |