To identify the content of the tag correctly and quickly is the primary condition of the access control system to display its function.

正确快速的识别电子标签的标签号码，是门禁系统发挥其功能的先决条件。

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This system is suitable for studying 3d spatial information, and its primary functions include: structure analysis of spatial information, kriging estimation and graphical display.

该软件系统适合三维空间信息的研究，基本功能分为三大部分：空间信息结构分析、克立格估值与图形显示。

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