Radio frequency identification (RFID) and more sophisticated technologies for product tracking within supply chain management systems are being experimented in some countries.

一些国家目前正尝试在供应链管理系统内通过无线射频识别和更复杂的技术来追踪产品。

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And similarly old crystal radio sets and more recently modern radio frequency identification (RFID) tags, increasingly used in shipping and as antitheft devices, are powered purely by radiowaves.

同样，老式晶体管收音机，以及日益普及于航运及防盗装置上的，更新式的现代无线射频识别技术(RFID)，都是仅仅从无线电波中获取能量。

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Unlike previous ones, the e-passports contain biometric data embedded in a radio-frequency identification (RFID) chip, along with the usual mugshot and optical bar-code.

跟上一代不同，电子护照除了包含照片及光感条码之外，还记有生物体征数据，植在无线电频率识别(RFID)芯片上。

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Deployment of radio frequency identification (RFID) chips, after years of hype and more than a few false starts, gets going in earnest.

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Radio frequency identification (RFID) tags have been used by companies such as Wal-Mart and Gillette to monitor their supply chains and increase security of their stock.

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If radio frequency identification (RFID) technology grows at the breathtaking clip so many are projecting, Hewlett-Packard wants to make sure it doesn't miss being out in front.

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