论文的目的是分析并研制出一种实用的周界报警装置，以满足国内一些用户的需要。
The purpose of the thesis is to analyze and develop an applied perimeter security, in order to meet some civil users' need.
论文的目的是分析并研制出一种实用的周界报警装置，以满足国内一些用户的需要。
It can be deleted by employing the perimeter security. The purpose of the thesis is to analyze and develop an applied perimeter security, in order to meet some civil users' need.
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