英语词汇“twenty-twenty vision”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	twenty-twenty vision
释义	twenty-twenty vision ˌtwentiˌtwentiˈvɪʒn 短语¹¹⁴⁴⁶⁷⁺⁴ 基本词源 n.〈医〉正常视力来自视力测试公式 20/x vision,其中分子 20 即 20 英尺，约为 6 米，人与视力 E 图站立的距离，分母为字体大小鉴别力，如分母为 20，则除数为 1，即正常视力，如分母为 10，则除数为 2，视力好于正常视力的人一倍，如分母为 40，则除数为 0.5，较差视力。鉴于现代社会近视眼越来越多，所以由正常视力引申词义极好的视力。
随便看	neural network expert systems neural network for bes trigger neural network forecast neural-network forecasting neural network forecast model neural network-fuzzy neural network fuzzy inference neural network identification neural-network-identification neural network identifier neural network information fusion neural networking neural network integration neural network integration fusion model neural network model of ann neural network models neural network operator neural network optimization neural network parallel algorithm neural network pattern neural network PID neural network PID control neural network plasticity Neural network predicting neural network prediction