oSurfing the web quickly is a key device feature.

快速浏览网络是设备的关键特性。

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Transducer is the key device of eddy current testing equipment.

传感器是涡流检测设备的关键器件。

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Thickness of sanforizer's belt is the key device to improve shrinkage.

预缩机的皮带（运输带）的厚度是提高缩水性的主要装置。

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This means that advertisers can use mobile to activate other forms of media, such as TV and out-of-home, or it can be a key device to drive tune-in, product research, or immediate purchase.

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Some of the European, Middle Eastern and Asian launches of this key Blackberry device now appear likely to hit 2-4 weeks ahead of expectations.

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It might've made more sense to side-mount the key on the device, but that could've resulted in a mess of unintended triggers.

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