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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Reader protocols and readers: For a track-and-trace solution, readers create the raw data by reading 2D barcodes or Radio Frequency Identification (RFID) tags or similar.

读取器协议和读取器：对于追踪和跟踪解决方案，读取器通过读取 20 个条形码或 Radio Frequency Identification (RFID) 标签或相似的东西，创建原始数据。

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Omni-ID, a company that makes radio frequency ID tags, studied this reflection in their quest to create a tag that could be read through a metal mesh and in water.

生产无线射频身份标签的Omni-ID公司通过研究这种反射模式，发明出一种能透过金属网格或在水下都能读取的标签。

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Other anti-counterfeit efforts include the use of radio frequency identification tags.

VOA: special.2010.03.01

Before the modern-day foragers were let loose, radio-frequency tags, like those used in swipe cards, were wrapped around everyone's dominant wrist.

ECONOMIST: Human communication

Duncan said the strongest trends his company sees in these development initiatives are in the growth of service-oriented software architectures, subscription-based software sales and industry-specific standards in areas such as radio frequency tags and cellular telephony standards.

FORBES: IBM's Software Gambit

Instead of price tags, we could have radio frequency identification tags that calculate price as you touch the item.

FORBES: The Futures Of Money