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The given geometric model of garment basic pattern surface is composed of the integrally smooth and continue developable surface, which breakthroughs traditional model of intersected joining by a lot of little developable surface.

所给出的服装原型曲面的几何模型由整体上光滑连续的组合式可展面构成,突破了用小块可展面相交拼接的传统模式,更加符合服装设计的要求,具有良好的可操作性。

By using in a sequence the eigen-decomposition,a permutation,the inverse discrete Fourier transformand a truncation on the matrix,an exact and explicit parametrization formula for Loop subdivision surfaces is proposed.

利用控制网格拓扑结构的对称性,通过将奇异点周围1-环和2-环的控制顶点进行离散Fourier变换得到分块对角阵,将其进行特征分解及排序之后,再通过离散Fourier逆变换和截断等操作得到细分矩阵的高次幂的表达式,从而得到Loop 细分曲面新的精确参数化公式

A plow equipped with a double moldboard that turns up the soil on each side of the furrow, often having an attached drill for seed planting.

双壁开沟犁犁头后部有两块曲面铁板的犁,可翻开犁沟两边的泥土,常附有播种机注意,注意力集中

A plow equipped with a double moldboard that turns up the soil on each side of the furrow,often having an attached drill for seed planting.

双壁开沟犁犁头后部有两块曲面铁板的犁,可翻开犁沟两边的泥土,常附有播种机那个农民将牛缚在犁上,用刺棒驱赶它们。

A plow equipped with a double moldboard that turns up the soil on each side of the furrow ,often having an attached drill for seed planting.

双壁开沟犁犁头后部有两块曲面铁板的犁,可翻开犁沟两边的泥土,常附有播种机

Chapter 3 introduces a new fingerprint segmentation method based on quadric surface model, which is the main innovation of this article.

第一章绪论,主要介绍了指纹识别技术的概况及其存在的技术难点;做为开展研究工作的基础,第二章研究并实现了基于块图像的指纹分割方法;第三章详细介绍了本文的主要创新之处——提出并实现使用二次曲面模型进行指纹图像分割的方法;第四章是指纹匹配算法研究,对一种现有的指纹匹配算法进行了一定改进;第五章为总结和探讨。

In allusion to the character of the granulometric micro-image, a method of binarization of partitioning curved surface has been held up, which can eliminate not only the nonuniformity of the microscopical illumination effectively, but also the noise of the granulometric micro-image effectively.

针对颗粒显微图象的性质,提出分块曲面二值化方法,能有效地消除数据采集时显微镜的光照不均匀,也能有效地消除颗粒显微图象的噪声,且二值化所产生的图象质量好。

According to the characteristics and requirements of different machining processes,a mill volume used for the rough machin ing and a mill surface used for the semi-finish and finish machining are created.

针对各加工阶段的特点和要求,创建了用于粗加工的铣削体积块和用于半精加工及精加工的铣削曲面,通过加工工序的合理设置规划了各阶段的加工方式,并制定了模具的高速加工策略。

Since the darts appeared in 13 century ,fashion is improve in structural design .Tthe transition of darts is more And more than before ,and very important in sculpt of fashion along with fashion technic's improving. They can remove some electrophoresis ,for example , ruffle、oblique fissure、overlap And so on, which produced by the plain fashion fabric cover with the cambered surface of the body. They can chang the size And figure of garment piece in different way ,make out different delicate And fit sculpt,win the beautiful effect also.

自13世纪省道的出现,服装在结构设计上便有了一次巨大的飞跃,随着服装技术的发展以及对服装造型的研究,省在服装中的运用越来越多,对服装的造型也越来越重要,它们可以消除平面的布料覆盖在人体曲面上所出现的皱褶、斜裂、重叠等现象,能从各个方向改变衣片块面的大小和形状,塑造出各种美观贴体的造型,达到美化人体的作用。

As a singlet curved lens is impossible to correct all the five primary aberrations regardless it is made of PIMs or NIMs, the primaxy-aberration-free lens systems composed of two thin lenses or two thick lenses based on the use of NIMs are intentionally presented.

由于只靠单块曲面透镜是无法同时消除全部五种初级像差的,因而我们接着研究了由负折射率介质构造的能同时消除全部五种初级单色像差的双薄透镜组合系统和双厚透镜组合系统。

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推荐网络例句

I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。

I'm running my simile to an extreme.

我比喻得过头了。