在所有影响音爆的因素中，提高飞行高度是减弱音爆的最有效措施。
Of all the factors influencing sonic booms, increasing altitude is the most effective method of reducing sonic boom intensity.
由德国籍试飞员马库斯·舍德尔驾驶的“阳光动力”在瑞士西部高空滑翔了87分钟，最高飞行高度达到了1200米。
It glided for 87 minutes above western Switzerland at an altitude of 1, 200 meters (3, 937 feet) with German test pilot Markus Scherdel at the controls.
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