This is a read-only set of properties that define the device's major and minor device classes and its services.

这是一个只读的属性集合，它定义了设备的主要和次要的设备类以及它的服务。

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The new device is inserted during a relatively minor operation and patients are out of hospital the same day.

BBC: Enlarged prostate device trialled by NHS

The device was thrown at the front door shortly after midnight, causing minor damage to the house.

BBC: NEWS | UK | Northern Ireland | Patrols increased after attacks