| 单词 | effective |
| 释义 | Word Frequency effective(ɪˈfɛktɪv) adjective 1. productive of or capable of producing a result 2. in effect; operative effective from midnight 3. producing a striking impression; impressive an effective entrance 4. (prenominal) actual rather than theoretical; real the effective income after deductions 5. (of a military force, etc) equipped and prepared for action 6. physics (of an alternating quantity) having a value that is the square root of the mean of the squares of the magnitude measured at each instant over a defined period of time, usually one cycle See also root mean square noun 7. a serviceman who is equipped and prepared for action Derived forms effectively (efˈfectively) adverb effectiveness (efˈfectiveness) or effectivity (ɪˌfɛkˈtɪvɪtɪ) noun |
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