《英汉医学词典》difference limen(threshold) 辨差阈,差别阈限,辨别阈 threshold, limen: 阈限difference limen: 辨差阈,差别阈限,辨别阈; 听觉锐度; 最小可觉差difference limen difference test: 强度辩差阈差异试验relative differential threshold limen: 相对辨差阈difference limen for frequency: 频率差阈下载手机词典可随时随地查词查翻译