The modular construction, used in the software of the system, consists of image input, output, processing, editing and analysing units as well as image database and graphics processing device.

该系统的软件采用层次模块结构。 它包括图象输入、图象输出、图象处理、图象编辑、图象分析、图形处理以及图象数据库。

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A graphics tablet or digitizing tablet is an input device that enables you to enter drawings and sketches into a computer.

阿绘图板或数字化片是一种输入设备，可让您输入图纸和草图到计算机。

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