说明：掌上个人数字处理系统，实现通讯录、日历、计算器、电子画板功能。

Handheld personal digital processing system, realize the mail list, calendar, calculator, electronic drawing board function.

youdao

经过上述数字处理，较好地改善了图像的视觉效果，提高了图像解译的精度。

After that, the visual effect of the image has been enhanced, and the interpretation precision.

youdao

经过上述数字处理，较好地改善了图像的视觉效果，提高了图像解译的精度。

After that, the visual effect of the image has been enhanced, and the interpretation precision.

youdao