After an hour or two, a triangular fin sliced the surface of the water and circled the group.
约莫一两小时后，一尾三角鱼鳍划过水面，围着一群人转起了圈。
Body shape: The blended wing's fuselage relies on a triangular shape to reduce its surface area and generate 20 percent of its lift.
机体外形：三角形混合机翼能减少表面面积，表现提升20%。
Triangular Bronze Arrowhead of Qin Dynasty: Its surface received special antirust treatment and it has a neat shape.
文物：秦青铜三棱箭镞，表面经过特殊防锈处理，形制规整划一。
To enhance the triangle quality of the simplified mesh, a novel triangular mesh simplification algorithm based on local polynomial fitting surface of vertices was proposed.
为了提高网格简化后的三角形质量，提出了一种新的基于顶点局部多项式曲面拟合的三角网格简化算法。
Then, the paper put forward method used to Triangular segmentation of trimmed surface by combining the Advancing Front Technique with Mapping Technique, and afforded its special algorithm .
然后，提出了以推进波前法与映射法相结合处理裁剪曲面的三角剖分方法，并给出了具体的实现算法。
The intersection of sweep volume with complicated surface normal is transformed into computation of intersection between triangular mesh and directed line segment.
将扫描体与复杂曲面法矢的求交问题，转化为三角网格与有向线段之间的求交计算。
The result after solution of the correspondence, branching and tiling problems is a triangular mesh that is a piecewise planar approximation of a surface consistent with the contours.
解决了这三个问题就可以得到基于轮廓数据的三角网格模型，它是原始轮廓对应的曲面的分片逼近表示。
A fitting system is developed to fit subdivision surface with sharp feature from noising and dense triangular meshes of arbitrary topology.
实现了一个从带噪声的密集三角形拟合出带尖锐特征的细分曲面拟合系统。
On the basis of the spine and fitting the centerline of spine, MC algorithm is used to output triangular mesh model to reconstruct the spine center surface.
在定位的基础上拟合脊柱中心线并建立测点集，应用MC算法输出三角网格模型，重建出脊柱中心曲面。
During the process of spinning triangular heteroclite dacron fibres from polyester garbage, there are factors that may affect the hetercliteness of the intersecting surface of the fibres thus spun.
在聚酯废料生产三角异形涤纶短纤维过程中对影响纤维截面异形度的主要因素：喷丝孔截面形状、纺丝温度、冷却成形条件、后欠伸工艺参数等进行探讨。
Secondly, through the research of several typical texture synthesis algorithms, a triangular mesh surface texture synthesis method is proposed.
其次，通过对几种比较典型纹理合成算法的研究，提出了一种三角网格曲面纹理合成技术。
Mesh surface parameterization is an important problem in Digital Geometry Processing, and triangular mesh is the typical form for mesh representation.
网格参数化是数字几何处理中的重要问题，而三角网格又是典型的一种网格表示形式。
The pediment's triangular wall surface, or tympanum, was often decorated with sculpture.
山形墙的三角形壁面，即山形墙壁面，常有雕刻装饰。
Quadrilateral partition on triangular meshes data is the primary process of composite surface modeling.
四边形网格划分是组合曲面建模技术的首要条件。
Adaptive sampling algorithm of surface play an important role in evaluation of profile deviation and surface triangular approximation.
曲面轮廓度误差评价和多边域逼近均要求对理论曲面进行数字化自适应采样。
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。
Subdivision surface algorithms usually use triangular or quadrilateral meshes. Recently, the hexagonal subdivision algorithm becomes the focus of research.
细分曲面算法通常采用三角形、四角形面片，最近基于六角形面片的细分算法成为研究的热点。
This paper will present a method to make the triangular interpolating surface based on scattered data points of remote image.
本文介绍一种基于遥感图像散乱数据点的三角曲面片插值构造方法。
The distance from 3-direction quartic box spline surface to the central triangular planar patch of its control net is investigated as well as its bound.
研究了三向四次箱样条曲面与控制网格中心三角平面片间的距离和该距离的界。
An integrated structure of machine vision sensor, involving a CCD camera and a laser synchronized scanner for triangular 3d surface measurement, is presented in this paper.
本文介绍了一种集ccd摄像机和激光同步扫描三角法面形传感器为一体的机器视觉传感集成体系。
It gets the plane scattered data points through selecting the local extremum points on the remote image, and then triangulates, constructs the triangular interpolating surface on it.
该方法通过在遥感图像上选取局部极值点来构成平面散乱数据点集，并在此基础上进行三角剖分、优化和三角插值曲面构造。
A new region-growing algorithm is presented for triangular mesh surface reconstruction from point-cloud data.
提出一种新的由点云数据生成三角网格曲面的区域增长算法。
Based on the discrete points on the surface of auto body, a sparse-matrix searching method is used to generate triangular meshes automatically.
基于车身曲面的离散点，文章利用稀疏阵法搜寻法来自动生成三角形曲面。
The triangular interpolating surface construction based on scattered data points has extensive applications in CAD/CAM, scientific visualization, image processing.
基于散乱数据点集构造三角插值曲面的方法，在CAD/CAM、科学计算可视化、图像处理等领域有着广泛的应用。
A triangular mesh surface zoning approach based on formability was given. Moreover a strategy to generate multi-stage spiral forming tool path for each surface area by offset was presented.
给出了基于可成形性的三角网格曲面分区算法和通过偏置来生成各曲面分区多道次螺旋线成形轨迹的方法。
Having been equipped with it, the triangular current pulse is more suitable to the graphite electrode, the surface uniformity of electrode is improved and the relative wear is reduced.
文章还提出，采用后三角形电流脉冲能较好的适应石墨电极材料，加工后电极表面平整，相对损耗小。
Having been equipped with it, the triangular current pulse is more suitable to the graphite electrode, the surface uniformity of electrode is improved and the relative wear is reduced.
文章还提出，采用后三角形电流脉冲能较好的适应石墨电极材料，加工后电极表面平整，相对损耗小。
应用推荐