英语词汇“助视用具”的翻译、意思、用法、释义-英汉汉英词典

单词	助视用具
释义	助视用具phr.visual aid助视用具（如放大镜、眼镜）
随便看	absolute vacuum absolute vacuum gauge absolute value absolute value circuit absolute-value circuit absolute value computer absolute value device absolute-value device absolute-value generator absolute value of an error absolute value penalty function absolute values absolute value sign absolute-value sign absolute variability absolute variation absolute vector absolute velocity absolute--velocity absolute veto absolute virtual address absolute viscometer absolute viscosity absolute visual magnitude absolute visual threshold