An algorithm is presented for converting the linear quadtree representation of a simply connected region into a 4-direction chain code description of the region's boundary.
本文提出一种算法实现单连通区域的线性四元树表示转换成区域边界的4 -方向链码描述。
According to the parting direction and the description of boundary, the parting line of a body is decided and then the parting surface is designed.
根据开模方向，结合零件的边界描述确定零件上的分模线，进而对分模面进行设计。
In the drawing artistic boundary appearing, is not the objective machinery description, but is depends on the feelings one kind to create the construction.
绘画这种特定的艺术语言，是艺术境界的承载者，绝不是客观机械的描摹，而是凭胸臆的一种创构。
The identification and characterization of lithologic pinch-out boundary is always a problem in the description of subtle traps.
岩性尖灭线的识别与刻画，一直是隐蔽圈闭描述的难题。
The result of numerical experiment shows that the error of asymmetric FEM is small , the method may be used in engineering and the description of the initial-boundary value problem is rational.
数值实验结果表明，不对称有限元法的计算结果误差较小，能在工程实际应用，而且混合问题的提法是合理的。
The result of numerical experiment shows that the error of asymmetric FEM is small , the method may be used in engineering and the description of the initial-boundary value problem is rational.
数值实验结果表明，不对称有限元法的计算结果误差较小，能在工程实际应用，而且混合问题的提法是合理的。
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