In the handheld scanner, a small wire coil creates an oscillating magnetic field, which makes the glass sliver in the sticker vibrate in sympathy.

而在手持扫描仪内部的小线圈创建的一个振荡磁场使得在贴纸内的玻璃棉条同时产生震动。

But an invention by physicists at Auburn University could make testing for bacteria as simple as slapping on a sticker and waving a handheld scanner.

但奥本大学物理学家们的一项发明可能使测试细菌变得像撕下贴纸及挥舞手持扫描器一样简单。