two-end device

Two of Apple's three remaining iPods have disappeared from the Apple Store, leaving the iPod Touch as the only standalone music device available.

iPod系列共有三款产品，如今两款已从苹果商店下架，只剩下iPod Touch一款音乐播放器。

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TechCrunch has noted that the two to three percent difference in battery performance is within the manufacturing tolerances for any device.

TechCrunch提示，对于任何设备而言，2%-3%的电池寿命差异都在加工误差的允许范围内。

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Since the BYOD trend started gaining momentum about two years ago, most large companies have adopted mobile device management systems to cover the expanding number of tech products that workers tote around, said Lawrence Pingree of technology research firm Gartner.

科技行业研究公司Gartner的劳伦斯·平格里（Lawrence Pingree）表示，BYOD趋势从大约两年前开始兴起以来，多数大公司都采用了移动设备管理系统，以管理不断增加的便携式科技产品。

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A method for multi-port device measurement using a two-port vector network analyzer ( VNA) is presented.

给出了一种用二端口矢量网络分析仪（VNA）对多端口器件进行测量的方法。

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According to the requirements of preparation of solution processing, two D-A-D small molecular organic solar cell materials were synthesized using tetrabromo anhydride, and the physical and chemical properties and device performance were investigated.

针对可溶液加工的制备工艺需求，用四溴酸酐作为原料合成了两个D-A-D型有机小分子太阳能电池材料，并研究了它们的物理化学性质及器件性能。

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