求翻译：我们使用USB 2.0的时候，只需要输出1280*960 17fps进行动态预览，当拍照的1-2秒的时间，使预览的画面定格（静止），只通过USB 2.0传输拍照完成的照片给电脑是什么意思？

When using the USB 2.0, you only need to output 1280 * 960 17fps dynamic preview, when the camera 1-2 seconds, the preview screen to freeze (still), and only completed through the usb 2.0 transfer camera photos to computer

We use the Time USB 2.0 will only need to output 1280 * 960 17FPS for dynamic preview, when you take a photo of the 1 - 2 seconds of time, so that the preview of the picture is frozen (stationary) with only 2.0 USB transfer pictures to the computer through the picture

We use USB 2.0 times, only needs to output 1280*960 17fps to carry on dynamically looks at in advance, when photographs 1-2 second time, causes the picture which looks at in advance to frame (static), only the picture which completes through the USB 2.0 transmission photographs gives the computer

When we use USB 2, only need to dynamically preview output 1280*960 17fps, when taking pictures of 1-2 seconds of time, the preview image still (still) only through a USB 2 to transmit photographs of photos to computer

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