bar-code reader

基本解释

Enter the sample identification using a keyboard or bar code reader for increased user-friendliness.
通过键盘或条形码扫描器输入样品识别码，用户界面更加友好。 …
Next, a laptop-connected bar-code reader is used to scan the old drive's serial number, as well as its replacement's.
其次，一个与笔记本相连接的条形码阅读器用来扫描卸下来的硬盘和新硬盘序列号。
The immigration officer still has to open the e-passport, read its contents and then swipe its bar-code through an optical reader to get the bearer’s file up on a screen ready to ask a few questions.
移民官仍然得打开电子护照，阅读护照内容，然后用光感读码器刷条形码把持照人的档案读到显示器上，准备提几个问题。

First he argued laches, the legal term meaning Lemelson had waited too long to press claims over his bar-code reader supposedly invented in the early 1950s.
FORBES: The Patent Troll You Don't Read About In Bar-Code Inventor's Obituaries
Equipped with a bar-code reader to scan New York registration stickers and synchronized with an atomic clock in Colorado, the devices make it almost impossible for an agent to make the kinds of errors Bolofsky depends on for appeals.
FORBES: The Ticket Fixer