From the concept and characteristics of forest graphics library, the standard design of forest graphics library layers is accomplished, and the compartment polygon is enclosed.
该文从森林图形库的概念和基本特征出发，完成森林图形库图层的标准设计和森林图形中小班多边形的封闭。
From the concept and characteristics of forest graphics library, the standard design of forest graphics library layers is accomplished, and the compartment polygon is enclosed.
该文从森林图形库的概念和基本特征出发，完成森林图形库图层的标准设计和森林图形中小班多边形的封闭。
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