The service also appears as a new card type in the Add Card dialog box, and it can now be used by other applications and services as a component.

此服务也会在“Add Card”对话框中显示为新的卡片类型，可供其他应用程序和服务作为组件使用。

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An expansion card is a circuit board that lets you add a new feature to a computer.

扩充卡是一种电路板，可让您添加一个新的功能的计算机。

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Also new is a smart card API, which will let computer manufacturers add card readers to these handhelds, effectively locking up any data they hold if the devices are lost or stolen.

CNN: Microsoft reinvigorates handheld PC