单词：nuclear quadrupole resonance (nqr)
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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
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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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Searching the Internet can be a totally exhausting experience, as you bounce from one site to another to another, sometimes until you cant remember what you were looking for in the first place. But according to scientists at U.C.L.A., all that virtua
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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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