直到最近，PC的输入输出设备做得最好的还是通用接口总线（GPIB），而它已经用了几十年了。

Until recently, PC I/O couldn't outperform the general-purpose interface bus (GPIB) we've been using for decades.

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图像输入输出接口简单且具有通用性，支持常用图像格式的读取和保存。

Image input and output interface are simple and universal, supporting for popular image formats to read and save.

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