暴露在巨大的噪音中肯定会造成部分或完全的听力丧失，这取决于噪音的强度、持续时间和频率组成。
Exposure to loud noises can definitely produce a partial or complete loss of hearing, depending on the intensity, duration, and frequency composition of the noise.
声发射脉冲就包含一个很宽的频率组成范围，可扩展到兆赫。
An acoustic-emission pulse contains a very wide range of frequency components, extending up into the megacycle range.
构造函数接受一个由观察到的频率组成的数组、alpha 概率断开点（cutoff score）和一个可选的期望概率的数组。
The constructor accepts an array of observed frequencies, an alpha probability cutoff score, and an optional array of expected probabilities.
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