Altitude determines the distance shock waves travel before reaching the ground, and this has the most significant effect on intensity.
飞行高度决定了冲击波到达地面所需要行进的距离，它对冲击波强度的影响是最大的。
Maximum intensity is directly beneath the aircraft, and decreases as the lateral distance from the flight path increases until it ceases to exist because the shock waves refract away from the ground.
强度最大处位于飞机正下方，随着离飞行路线的横向距离的增大强度不断减小，直到因为冲击波在地面的折射而消失。
Shock waves from a quake move quickly through the ground, but electronic signals are far faster, allowing warnings to outrun temblors.
地震产生的冲击波在地面上迅速移动，不过电信号传递地更快，这使得预警信号能够超过地震波而传递到当地的民众那里。
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