The COF/MEMS packaging technology is well-suited for many microsystem packaging applications such as micro-optics and radio frequency(RF) devices.

COF/MEMS封装技术非常适合于诸如微光学及无线射频器件等很多微系统封装的应用。

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Plasma in radio frequency (rf) glow discharge is widely used in the preparation of semiconductor film materials and microelectronic industry.

射频辉光放电等离子体在微电子及半导体薄膜材料生长等方面有着广泛的应用。

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But radio frequency (rf) front-end imperfections can lead to the loss of channel reciprocity, which will invalidate the advantage of TDD systems.

但是射频器件的非理想特性将导致信道互易性的丧失，使TDD系统的优势无法发挥。

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Its state-of-the-art radio frequency (RF) performance exceeds requirements established by EMVCo and the NFC Forum.

ENGADGET: Qualcomm announces cheap, battery efficient NFC chip, hopes to put it in phones next year

The concerns stem from the emissions of radio frequency (RF) radiation by both the handsets and the base stations that transmit and receive the signals.

BBC: Public Petitions Committee