单词：mqr
[计]= Multiplier-Quotient Register,乘商寄存器
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You've probably bought groceries and seen the cashier scan an item to get its price. It works because each product has a code thats a shortcut. It prevents the cashier from having to look up each item. Well, these days, new kinds of codes are appeari
发表于:2018-12-11 / 阅读(435) / 评论(0)
英语解说豆知识2011年
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I saw a car accident on the way to my office. A car, not braking in time, bumped into a motorcycle in front of it. Being hit by the car ,the rider flew high from the motorcycle and landed on the ground. A passerby hurriedly called an ambulance.No soo
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不用背句型学英语
不用背句型学英语
请看相关报道： Quick Response codes(QR code) have been used in advertisements for years, and a handful of American funeral homes began attaching them to gravestones in early 2011. 快速回应码在广告界已经使用好几年了，有一部分
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