You can use a virtual coordinate system and keep your program distanced from the hardware, or you can use the device coordinate system and snuggle right up to the hardware.
你可以用虚坐标系统并且保持你的程序与硬件的距离，或者你可以用设备坐标系统而完全依赖于硬件。
You can use a virtual coordinate system and keep your program distanced from the hardware, or you can use the device coordinate system and snuggle right up to the hardware.
你可以用虚坐标系统并且保持你的程序与硬件的距离，或者你可以用设备坐标系统而完全依赖于硬件。
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