差别阈限 dl difference limen: 差阈,差别阈限(指听觉锐度)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difference limen for frequency: 频率差阈difference limen for intensity: 强度辩别阈,强度差别阈限下载手机词典可随时随地查词查翻译