The airplane ' s handling qualities continue to be very good throughout the flight envelope 在整个飞行包线内这架飞机的操纵品质也是相当的出色。
2.
Pilot balloons were filled with suitable amount of hydrogen to give an ascent rate of approximately 150 metres per minute throughout the flight 测风气球充以适量氢气,使气球上升速度在整个探空过程中固定在每分钟150米左右。