这种脉冲变宽，其峰值振幅时间随相继气帘数目的增加呈直线性延迟。

This pulse broadens and its peak amplitude is delayed linearly as the number of successive air curtains is increased.

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信号的长度和复杂性表明，当相继的气帘数目增加时交混回响的程度也增加。

Length and complexity of the signals indicate that reverberations occurred to an increasing extent as the number of consecutive air curtains was increased.

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第一个空气流使峰值振幅大大降低，以后就保持在无气帘时振幅的0.1到0.2倍。

The peak amplitude is decreased substantially by the first air stream and thereafter remains between 0.1 and 0.2 of the amplitude without air curtains.

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