In a recent discussion on the Agile usability group, members discuss various ways for evaluating system usability.

最近，在Agile Usability邮件组中，成员讨论了各种方法来评价系统的可用性。

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In these cases, information-system usability is directly influenced by a user's ability to track along a search trail.

在这些情况下，用户沿搜索线索跟踪的能力会直接影响到信息系统的可用性。

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Existing system information may be utilized effectively in implementing the model, hence, complexity of system configuration can be reduced, and system usability can be improved.

模型的实现可有效地利用系统已有信息，以降低系统配置的复杂度，提高系统的实用性。

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In addition, it is powered by an updated version of the Leaf OS, a custom operating system designed for payment security, speed and usability.

ENGADGET: Leaf unveils next-gen LeafPresenter Android POS tablet for taking payments

But Mozilla must overcome usability issues before phones that carry its operating system get into the hands of consumers, even if they are being classed as cheap alternatives to Android phones.

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