| 释义 |
ground speed  nounAn aircraft’s speed relative to the ground. Compare with airspeed.Ground speed was on average only slightly faster than the mean air speed, and the scatter was considerably larger for ground speeds than for air speeds....- Every three seconds I have a loop giving my bearing and, in between, my ground speed and air speed.
- In previous charts for this day I added ten mph to the ground speed to get the air speed for each of the pilots.
|