On the base of the planar military plotting system and 3d military plotting system, the paper emphasizes 3d symbol which have better visual perceive and adapt to human cognition.
在分析二维军事标图系统与三维军事标图系统的基础上，阐述适应人类认知特点、具有较好视觉感受的三维标号。
The creating technique of a rock symbol library is a kernel of plotting column by a computer. It has a direct effect on the quality of a rock symbol pattern and the program availability.
岩石花纹库的生成技术是计算机绘制柱状剖面图的核心环节，它直接关系到岩石花纹图案的质量和程序的实用性。
The creating technique of a rock symbol library is a kernel of plotting column by a computer. It has a direct effect on the quality of a rock symbol pattern and the program availability.
岩石花纹库的生成技术是计算机绘制柱状剖面图的核心环节，它直接关系到岩石花纹图案的质量和程序的实用性。
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