fidelity
/fɪˈdelətɪ; ?@ faɪ-; faɪ`dɛlətɪ/ n[U]
1 ~ (to sb/sth)
(a) loyalty; faithfulness 忠实; 忠贞; 忠诚
fidelity to one's principles, religion, leader 对自己的原则、 宗教信仰、 领袖的忠诚.
(b) accuracy; truthfulness 精确; 真实; 确切
fidelity to the text of the play 忠实於剧本的原文
translate sth with the greatest fidelity 极准确地翻译某材料.
2 quality or precision with which sound is reproduced （音响的）保真度
[attrib 作定语]
a high fidelity recording 高保真的录音.