| 单词 | selectivity |
| 释义 | Word Frequency selectivity(sɪˌlɛkˈtɪvɪtɪ) noun 1. the state or quality of being selective 2. the degree to which a radio receiver or other circuit can respond to and separate the frequency of a desired signal from other frequencies by tuning 3. the principle that welfare services should go only to those whose need is greatest, as revealed by needs tests, means tests, etc |
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