英语词汇“snellen test type”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	snellen test type
释义	Snellen test type Snel·len test type (snel'ĕn test tīp) One of a series of square black symbols employed in testing the acuity of distant vision; the letters vary in size in such a way that each one subtends a visual angle of 5' at a particular distance.
随便看	penile wart penile warts penillic acids penillion pen in penin penincillin penincula penine way peninkulma peninnah peninne alps peninniah peninsula peninsula-base kitchen cabinet peninsula campaign peninsula combat employment readiness exercise peninsula corridor joint powers board peninsula fine arts center peninsula geological society peninsula home builders association peninsula housing and builders association peninsula of haemus peninsular peninsular bighorn sheep

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

Snellen test type