| 单词 | cancellation effect |
| 释义 | cancellation effectcancellation effectA 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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