This might mean that the V-tails could be locked out in normal cruisingflight.
这或许意味着V型尾翼在超音速巡航时会被锁定。
2
Nitrogen-oxide emissions during the cruising portions of the flight fell by around a quarter.
飞行中巡航部分的氮氧化物的排放量下降了四分之一左右。
3
The Akatsia-M system, which is operated by two specialists, uses a UAV with a cruising speed of 120 kmh, a flight endurance time of 11/2 hours and an onboard camera with a range of up to 15 km.