Two-factor systems rely not just on something you know, however, but also on something you have, such as an electronic token, or something you are, in the form of a biometric.

要通过“双重认证系统”，不仅需要你提供你所知道的信息，而且还需要你携带的东西（比如某种电子信物），或者你身体的某部分（以生物识别形式）。

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Electronic Waste disassembling was an important factor causing soil heavy metals pollution.

电子废弃物拆解是导致的土壤和环境的重金属污染的一个重要人为因素。

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The electronic computer is an important factor in our lives.

电子计算机是我们生活中的一个重要因素。

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Law enforcement estimates that electronic communications are a factor in 20% to 40% of all stalking cases.

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You already know how a paper diary works: thus using that form and factor will ease your task in learning how to use the electronic one.

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"Kinectimals" was demonstrated at the Electronic Entertainment Expo in Los Angeles in June, where it received high marks for its cuteness factor -- and lower marks for being, well, a little bizarre.

CNN: First impressions: Microsoft's Kinect gaming system