If one did a search for a term contained in the ontology, the query could be expanded with subclass information in order to find more relevant answers.
如果某人对本体中包含的术语进行搜索，查询就可能根据子类的信息进行扩展从而找到更多相关的答案。
This is one approach that enables the client to determine what member of the class hierarchy it receives, and process the additional information in the subclass accordingly.
这是一种可以使客户端能确定他接收到的是类层次中的什么成员的方法，并相应处理子类中的附加信息。
The device descriptor read by the host controller driver contains information about the device, such as class, subclass, and protocol.
主机控制器设备驱动程序读取的设备描述符包含关于设备的信息，例如 class、 subclass 和 protocol。
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