数据组织及处理作为数字化测图的基础，其方法的应用是地理信息系统建立的重要内容。
Data organization and processing serve as the base of the digital mapping, and the USES of its methods are the important contents for building GIS.
信号强度和开关阈值可读取的值显示为数字或作为条形图。
Signal strengths and the switching threshold can be read from the display as numeric values or as a bar graph.
数字图像置乱利用一种可逆的变换将原始图象变换成一个杂乱无章的新图像，它通常作为图像信息安全与隐藏的基础性工作。
As the basic means for hiding huge image information, the scrambling of digital image makes the old image to a new disorderly image with a reversible transform.
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