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.
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。
2
This article analyzes the optimum condition of the reaction of benzoin condensation with the supersonic in the experiment.