加权频率
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Therefore, weighted frequencies can serve as characteristic variables of character sequences.
因此,加权频率可以作为字符序列的特征量。
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The acoustic detector in the armband contains five piezoelectric cantilevers, each weighted to respond to certain bands of sound frequencies.
臂带上的声波检测器带有五个压电悬臂，每一个可以检测某个特定频段的声音。
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