The most commonly used surface patches are the triangle and the quadrangle surface patch.
目前最常用的曲面片是三边曲面片和四边曲面片。
Based on a point line patch hierarchical data structure, three dimensional complex geometries are described by several typical kinds of surface patches.
按点-线-面的层次数据结构，选取几种有代表性的曲线曲面，实现了三维复杂外形的表面描述。
They are transient tangles in the sun’s magnetic field that are slightly cooler than their surroundings and so appear as dark patches in the photosphere—the surface layer of the sun.
它们是位于太阳磁场上暂时性的比周边温度偏低的混乱的一块区域，也因此看起来就像光球——太阳表层上的暗斑。
They are transient tangles in the sun's magnetic field that are slightly cooler than their surroundings and so appear as dark patches in the photosphere—the surface layer of the sun.
它们是位于太阳磁场上暂时性的比周边温度偏低的混乱的一块区域，也因此看起来就像光球——太阳表层上的暗斑。
Combined with impedance concept, a method for on line structure health monitoring based on self sensing piezoelectric patches, which are bonded on the surface of the structure, is presented.
利用自驱动、自传感特性的压电陶瓷片，粘贴在外部结构的表面，结合动态阻抗的概念，提出了一种机电耦合的在线压电阻抗技术用于结构健康诊断。
Next, in the interior of the patches, surface fitting points and cross boundary derivatives are estimated from the reference curves by constructing virtual iso-parametric curves.
其次，在曲面片内部，曲面拟合点和边界方向导数可以从参考曲线中通过构建虚拟等参线的方法得到。
Display all active patches in the surface.
显示所有活动的表面修补程序。
Hide all active patches in the surface.
隐藏在表面的所有活动的修补程序。
The 3D surface can be defined directly by the boundary curve of the patch surface. The surface will be C1 continuous if the boundary curves connecting each two patches are C1 continuous.
利用曲面网格的边界曲线直接定义3D曲面，既能保证曲面的光滑过渡，即C1连续，又可避免通过确定扭矢来达到控制曲面的复杂计算。
The in-situ active damage detection of composite structure can be implemented using surface-bonded piezoelectric patches with signal processing based on vibration analysis.
复合材料容器结构的在线损伤检测可以通过粘贴在结构表面的压电智能材料和基于振动分析基础上的信号处理来完成。
You can witness, plaque was gently removed from the surface, there are patches of skin on the spot to clean up the feeling of really wonderful!
斑从表面被轻轻取下，有斑的皮肤当场变干净的感觉真的很奇妙！
In order to reduce the number of triangular patches in surface rendering, save space and improve reconstruction results, a contour connecting method based on interzone line was proposed in this paper.
为了减少面绘制中三角面片数量，节省空间，提高重建效果，提出了经纬线连接法。
As well as the conducting target, the geometrical model of the dielectric target should first be built, then triangular patches are used to model the surface of the dielectric target.
与导体目标一样，先建立介质目标的几何模型，然后用三角形面元模拟介质表面。
As well as the conducting target, the geometrical model of the dielectric target should first be built, then triangular patches are used to model the surface of the dielectric target.
与导体目标一样，先建立介质目标的几何模型，然后用三角形面元模拟介质表面。
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