Groundspeed decides how long an aero plane will take to fly from one place to another.
地速度决定多久航空飞机将飞往从一个地方到另一个地方。
2
The frequencies of the returned beams are compared with them to obtain the true groundspeed.
将它们与反回射束作对比而获得真实的地面速度。
3
PF cotton yield monitoring system is consisted of a yield monitor, cotton flow sensor, head height sensor, groundspeed sensor, fan speed sensor. GPS receiver and other components.