The method of analysis frequency table is using the meter of frequency table to test all kinds of frequency and then calculate the distortion of the wave.

频谱分析法是用频率分析仪测量各次谐波的方法计算出波形失真度，但采用此种方法的仪器价格较昂贵。

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Let's write something that USES basic frequency analysis to decode an encoded message.

让我们编写一些程序以使用基本频率分析将编码信息解码。

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Frequency analysis is just a fancy way of saying "counting letters."

频率分析只是“对字母进行计数”的另一种有趣表达。

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However, no parental notice and consent is required when an operator collects a persistent identifier for the sole purpose of supporting the website or online service's internal operations, such as contextual advertising, frequency capping, legal compliance, site analysis, and network communications.

ENGADGET: FTC introduces changes to Children's Online Privacy Protection Act, parental permission now required to collect information

During the survey work, an underwater microphone called a hydrophone will be used to record the high frequency sounds of harbour porpoises and white-beaked dolphins for analysis.

BBC: West coast whales, dolphins and sharks to be surveyed