英语词汇“retinal scanner”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	retinal scanner
释义	retinal scanner From Longman Dictionary of Contemporary EnglishRelated topics: Computersretinal scannerˌretinal ˈscanner noun [countable] computer equipment that is used to examine someone’s retina in order to identify them. Retinal scanners are used by the police and immigration officials at some airports to check the information on someone’s passport or ID card.
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