The invention has the characteristics of wider working bandwidth and the high gain, which is suitable for the antenna application of the three frequency band RFID reader-writer.

本发明具有较宽工作带宽和高增益的特性，适合三频段RFID读写器天线应用。

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This paper's main task is the design, optimization and process testing of compact high-performance microstrip patch antenna for the reader antenna of the UHF band RFID reader antenna system.

本文的主要工作是针对UHF频段RFID系统读写器天线的要求，设计、优化并加工测试了小型化高性能的微带天线。

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The phrase 'The band's 1993 debut album' is also confusing to the careful reader, because a band could not have had a 1993 debut album, and also, for example, a 1994 debut album.

WSJ: Celebrating a Decade of the Believer

There's also a memory card reader, a SIM slot for quad-band 3G (WCDMA) and Bluetooth 4.0, in case you want to pair it with any wireless peripherals.

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Some observers might guess that Nickelback is playing for free because of its charitable relationship with The United Way (the band will donate a quarter for every person who pledges to become a volunteer reader, tutor or mentor).

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