To see if your product may classify as a class II device, visit the FDA device classification guidance site.
要想确认你的产品是否为II类医疗器械，可以查阅fda的器械分类指导网站。
The USB configuration of a device can be thought of as a classification of physical functionality.
一个设备的USB配置可以看作是身体的功能分类。
The concept, classification, mode and analysis technique of initiating explosive device failure are addressed.
论述了火工品失效分析的概念、分类、失效模式及失效分析技术。
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