Its main hardware equipment (as shown in Figure 1.3) includes: Digital camera, scanner, computer, monitor, keyboard, printer and so on.

其主要硬件设备(如图1.3所示)包括：数码相机、扫描仪，计算机、显示器、键盘、打印机等。

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Now we see a large number of computer peripherals using USB around us, such as keyboard, mouse, modem, printer, scanner, digital camera, video CAM and removable storage device etc.

今天我们可以看到大量应用usb接口的终端设备出现。如键盘、鼠标、调制解调器、打印机、扫描仪、数码相机、摄像头以及移动存储设备等等。

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