The night wind howled, blowing all the dust into the air and dancing crazily in the air.

Tonight's wind speed is moderate, just right for the gliding operation. The wind speed has some influence on the gliding operation. The wind speed is too big, which makes it difficult for the operator to adapt to the change of air flow. But the wind speed is too small, which reduces the time of the operator in the air, and may cause the operator to be unable to reach the target location ...