amplificationn.
英 ,æmplɪfɪ'keɪʃən | 美 ,æmpləfə'keʃən
中文n. [电子] 放大（率）；扩大；详述
词根词源
amplification (n.)1540s, "enlargement," from Latin amplificationem (nominative amplificatio) "a widening, extending," noun of action from past participle stem of amplificare (see amplify). Electronics sense is from 1915.
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