- 更多网络例句与曲面块相关的网络例句 [注：此内容来源于网络，仅供参考]
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So it is not easy to turn this idea into reality. We creatively give our parameterization by using the expression of the blending surface in affine coordinate system ([9]) and the plane pencil together.
在仿射坐标系下，二次有轴曲面的表达式相对简单，我们基于厉玉容[9]给出仿射坐标系下拼接曲面的表达形式、不分块直接对混合拼接曲面进行参数化。
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In chapter two, under the assumption that the set of decision variables is convex and the objective functions are concave, it is shown that the set of noninferior solutions in valued space of the objective functions turns out to be a strictly decreasing, concave and no chinky block of surface, and it can be constructed recursively.
在第2章凸性假设下非劣解集的构造及其几何性质中，在假设决策变量集为凸集，目标函数向量是凹的情况下，证明了目标函数向量值空间中的非劣解集是一严格单调递减，无缝隙且凹的曲面块，并给出了m维目标函数向量值空间中非劣解集的一种递归构造方式。
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Through studying some fundamental properties of the curved surface in differential geometry , a method of linear feature extraction based on differential geometry is introduced.
通过研究微分几何理论中曲面的一些基本性质，本文介绍了一种基于微分几何的线状地物提取方法，首先在局部区域内拟合一个二次曲面函数，然后通过该函数来估算灰度曲面的梯度和曲率，设定合适的梯度和曲率阈值来检测线状地物，最后进行后处理，消除许多噪声颗粒及小块区域。
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By the algorithm, the surfaces are first divided into a series of mapping areas and synthesis areas using the constraints of the triangles' normal and texture attributes. Then the mapping areas are textured by harmonic mapping from the 2D mapping sample, by a patch-based synthesis method. Finally, the synthesis areas are textured by a triangle-based synthesis method.
首先以三角形法向量、切向矢量与纹理尺度为约束，将三角网格曲面分割为一系列映射区与合成区；然后用基于块的平面纹理合成方法生成大面积样图，用调和映射方法对映射区进行纹理映射；最后采用基于三角块的合成方法生成合成区纹理。
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A divided B-spline surface model of shoe tree is founded, which offered the sound tree model for the shoemaking CAD/CAM. The calculating equation for control points of the bottom of the shoe tree is established for first time. A new method called LID to construct lateral and front surfaces of the shoe hell is proposed which furnishes the possibility for the hell CAD.
本文建立的楦体分块B样条曲面模型，为制鞋CAD/CAM提供了良好的楦体模型；首次建立并给出了楦底控制点计算方程和楦底分块Bezier曲面模型，奠定了鞋跟鞋底造型的基础；文中提出的设计鞋跟跟口面和跟侧面的LID方法，为鞋跟造型提供了实现可能性。
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The three dimension reticular cell counting method is adopted to calculate the fractal dimension characterizing skew degree of gray level surface. With the two-dimension reticular cell counting method, the fractal dimension characterizing wrinkle shadow block distribution is obtained. By means of distribution function, the fractal dimension for the size distribution of wrinkle shadow block can be achieved.
提出以尺度变化的立体网格计算灰度曲面的分维数，表示灰度曲面的起伏程度；以尺度变化的平面网格计算织物折皱阴影块分布的分维数，表示阴影块的离散程度；以当量直径为尺度，计算分布函数的分维数，表示织物折皱阴影块尺寸的分布。
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The pattern of the tyre of agricultural vehicles has to fit in with the inclement working situations of the vehicles,which brings some difficulty to the pattern block mold design of the tyre.
文章介绍了农用轮胎的特点和轮胎模具的生产流程，然后结合轮胎花纹块的铸造、抛光、机械加工等工艺要求，阐述了农用轮胎花纹块模具设计方法并导出计算公式，内容包括：径向断面的工艺尺寸设计、轴向与周向的展开与弯曲设计；提出采用Coons曲面构造出模具内腔壁曲面的方法。
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The body has drum mixed with four leaves, stirring with a good performance out of the concrete mix to make a more uniform 2: mixed leaves on a mixed open hole to raise the quality of concrete mixing; 3 ----- sealed tube was funnel shape, Large caliber to ensure a smooth feed: 4: Lo leaves were added to the top surface wear protection, to extend the service life of the leaves, 5 leaves on a few large rectangle-shaped hole and the hole in the concrete to reduce the adhesion of the leaves; 6 : Mixing cylinder B520JJ optional alloy steel materials, wear resistant materials; 7 from the first block plate spinning, 8: ZG35 stirring drum track using the material, casting molding.
筒体内有四块拌叶、具有良好的搅拌性能，使拌出的混凝土更加均匀2：拌叶上开有拌孔能提高混凝土搅拌质量；3密封管-----呈漏斗形状，口径大能确保顺利进料：4：螺叶片呈曲面顶端加防护耐磨条，延长叶片使用寿命，5叶片上有几个圆孔及长方钜形孔减少混凝土在叶片上的粘附； 6：搅拌筒体材料选用B520JJ合金钢、抗耐磨材质；7封头由整块钢板旋压成型，8：搅拌筒轨道采用ZG35材质，经铸造成型。9：搅拌筒壳体各部件由高强度及高耐磨材质制作而成。10：搅拌筒整体焊接采用自动埋弧焊技术。
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It includes back, left spring, left sliding block, right sliding block, right spring and cylinder. They are formed stiffness changing mechanism in back. The left spring is set between the left vertical surface of the left sliding block and the left inner wall of the back. The right spring is right the opposite.
基座内的左弹簧、左滑块、圆柱、右滑块和右弹簧组成一个变刚度机构，左弹簧位于左滑块的左侧垂直面与基座的左侧内壁之间，右弹簧位于右滑块的右侧垂直面与基座的右侧内壁之间，圆柱居中地被左、右滑块的曲面所支撑。
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This paper is mainly focused on data segmentation and model reconstruction problems in Reverse Engineering fields,The main contents include Sharp Featurebased quadrilateral domain extraction from a mesh model,connectivity between multiple B-spline surfaces,fast algorithm for fitting multiple B-spline surfaces on model with arbitrary topology,setting up a hierarchically structured constraintbased data model and binary cubic interpolation of splines with C~2 connectivity for type-Ⅱtriangulations on rectangular domain.
主要内容包括：网格数据的数据分割及矩形片的提取、多个B样条曲面间光滑拼接、任意模型的多个B样条曲面拟合的分块快速算法、基于二元三次样条函数在TYPE-Ⅱ分割下的曲面重建方法、基于约束和层次结构的模型表示及一个小型逆向工程软件系统的建立等。
- 更多网络解释与曲面块相关的网络解释 [注：此内容来源于网络，仅供参考]
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curved glass：人头模型冲击试验
automatic punch 曲面玻璃 :9ZzvH | curved glass 人头模型冲击试验 L;GH]+Ewg | head form impact test 人头模型重块 ~8rwp%@^
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select：选择 选取
首次选择"选取"(Select) 并开始选取要包括在体积块定义中的曲面时,将出现包含下列选项的"聚合选取"(GATHER SEL) 菜单:重复选择"选取"(Select) 将打开"聚合方向"(GATHER SPEC) 菜单并显示出下列选项:参照 (References) - 修改特征参照.
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styling：造型
单击"造型"(Styling)>"曲线来自基准"(Curve from Datum). 将出现"自由形式曲面"(Freeform Surfacing) 操控板. 如果需要,请使用"质量"(Quality) 滑块提高或降低逼近质量. 逼近质量可能会增加计算曲线所需点的数量.
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surface of the second order：二阶曲面
surface of the second class 二班曲面 | surface of the second order 二阶曲面 | surface patch 曲面块
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surface patch：曲面块
surface of the second order 二阶曲面 | surface patch 曲面块 | surface tangent 切线平面
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surface tangent：切线平面
surface patch 曲面块 | surface tangent 切线平面 | surjection 满射
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head form impact test：人头模型冲击试验
曲面玻璃 curved glass | 人头模型冲击试验 head form impact test | 人头模型重块 head form weight
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head form impact tes：人头模型冲击试验
曲面玻璃 curved glas | 人头模型冲击试验 head form impact tes | 人头模型重块 head form weigh