一到二磅的超压是由正常飞行高度的超音速飞机制造的。在1.5到2磅之间时可能会引起一些公众反应。
Overpressures of 1 to 2 pounds are produced by supersonic aircraft flying at normal operating altitudes. Some public reaction could be expected between 1.5 and 2 pounds.
他说，虽然它不是神奇的治疗方法，但是“有些研究的确表明，它对向东和向西的飞行都有帮助，而且似乎的确帮助很多人缓解了时差反应，包括我自己”。
Although it's not a miracle cure, "some studies do show it can help on both eastward and westward flights, and it does seem to help a lot of people with jet lag, including me, " he said.
两架相向飞行的飞机速度越高，所要求的“保护空域”越大，因为飞行员需要更多的时间对预警做出反应。
The higher the closing speed of two aircraft heading towards each other, the bigger the PAZ required, because the pilot needs more time to react to a warning.
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