In Part 1, I have demonstrated how to enumerate device classes.

在第1部分，我演示了如何枚举设备类。

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The device classes present in the system (classes include disks, partitions, and so on).

设备在系统中的类别描述(类别包括磁盘，分区等等)。

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Select only those device classes or devices which you know could be on the new computer.

只选择安装在新计算机中的已知设备或设备类。

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As one of the largest providers of wireless chipset and software technology in the industry, Qualcomm has a diverse chipset and software product portfolio spanning multiple device classes.

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It's about a firefighter who can download the design of a burning building onto a handheld device, a student who can take classes with a digital textbook, or a patient who can have face-to-face video chats with her doctor.

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In undergraduate economics classes this is called a commitment device.

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