英语词汇“cancellation effect”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	cancellation effect
释义	cancellation effect cancellation effect A condition in which positive and negative charges or same frequencies of positive and negative polarities nullify each other. The cancellation effect may result from unintentional interference in a line or circuit, or it may be purposely created. For example, noise cancellation systems generate frequencies with opposite polarities to the undesirable signals in order to eliminate them.
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