Clarification: USB 2.0 adds in the Battery charging specification 1.0, which allows for dedicated charging and other power goodness. This particular connector is the typea variety.
阐明：usb 2.0加入了在电池充电规格1.0，这个规格允许专用充电和其他电源。
2
USB is atype of computer bus which increasingly prevails in recent years.
USB是近年来在计算机领域日益流行的一种总线形式。
3
Mini USB It's atype of USB connector for smaller devices like cameras and phones-it takes up less real estate than a port for a Type A connection, obviously.
这是 USB 接口的一种，专为小型设备比如相机和手机准备 - 显然，它比 Type A 类型的接口占地方要小很多。