As I prodded at the little 12-key interface, I feltlike my father, a 60s-vintage computer scientist who can’t get his wirelessnetwork to work, must feel.

当我用手指开始戳这个12键界面时，一下子找到了我父亲的感觉，那60年代笨重电脑的科学家，不能让自己的无线网络正常运作的感觉。

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In particular, it supports multiple primary key fields and exposes some user interface enhancements and a new model for handling and canceling events.

特别是，它支持多个主键字段，公开了一些用户界面的改进功能和一个处理与取消事件的新模型。

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A key area of design activity is in the service interface definition model.

设计活动的关键之处在于服务接口定义模型。

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Home Page Reader uses a 10-key numeric keypad interface so that blind and visually impaired users can interact with their computers and navigate the Internet.

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That 0.1 numbering gives a good indication of just how light the visible feature set might be, though -- other than an existing update to substitute the virtual menu button for a long-press of the home key, the interface changes are mostly limited to dedicated buttons for switching browser tabs and between different cameras.

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In contrast, BlackBerry's bread and butter is the smartphone, and so much attention was clearly paid on delivering a user interface that could cram key information on the limited screen real estate without disrupting other apps.

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