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three dimensional space相关的网络例句

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与 three dimensional space 相关的网络例句 [注:此内容来源于网络,仅供参考]

Mandibular teeth and sustentacular tissues extracted from a healthy adult were treated using CT scanning to obtain two-dimensional image, and then a three-dimensional image was established using computer reconstruction technique. Simultaneously, a three-dimensional finite element model of rigid fixed bridge was established in abutments with mandibular 56 deletion.

采用CT扫描获取健康成人下颌牙及其支持组织的二维图像,通过计算机重建技术建立三维立体图像并获得了下颌56缺失后的双端单基牙固定桥的三维有限元数学模型。

The relationship between an object s three dimensional entity and its two-dimensional multi-views can be expressed vividly and visually by Solid Edge V11 parametric molding software, which constructs three-dimensional entity model and represents an engineering object spatially and dynamically.

用SolidEdgev11参数化造型软件建立三维实体模型,以真正的空间概念和动态方式表示工程对象能形象直观地表达一个对象的三维实体与多幅二维视图之间的关系。

The contents of this dissertation are as follows:(1). Mathematical models of zero-dimensional, quasi three-dimensional and full three-dimensional in flow path of turbo engine are provided.

本文主要包括如下内容:(1)针对涡轮发动机通流部分的仿真分别给出了零维、准三维和全三维数学模型。

By taking the strategy of uniting geometry with algebra and using the method of minimal value, the relationships of intersection, parallels and perpendicular between two three dimensional spaces in four-dimensional descriptive geometry are investigated and the calculation formula of the distance between two three-dimensional spaces are given.

用形数结合的观点和条件极值法,研究了四维空间的两三维空间的相交、平行和垂直的相互关系计算出两平行三维空间的距离。

Using fluid dynamics FEM (two dimensional, three dimensional andaxisymmetric) and three dimensional acoustic FEM in meticulous analysis ofexpansion muffler structure, this paper studies the influences of each mufflercomponents' position, dimension, form and quantity on the fluid dynamic andacoustic performances;therefore the paper indicates that the end of the intruding tubeis the linchpin of the fluid dynamic performance of the whole muffler structure, thespringhead of muffler fluid dynamic performance is the smoothness of air current, themain factor which affects the acoustic attenuation value of expansion chamber muffleris the grade of saltation of the section of air conducting access, and the attenuationvalue of specific frequency can be dramatically enhanced by carefully designing thelength of expansion chamber.

本文通过流体力学有限元方法和三维声学有限元方法对扩张腔消声结构的参数化模型进行了细致的分析,研究了这种结构的各个组成部份的位置、大小、形状和数量对其流体力学与声学性能的影响,指出插入管端口是影响整个结构流体力学性能的关键,消声结构流体力学性能的根源是气流通过时的平稳程度;影响扩张腔消声量的主要因素为声波传播通路截面突变的程度,并可以通过精细的设计扩张腔轴向长度获得宽频或指定频率消声量的大幅度提高。

By extending the concepts of supremum and infimum in real space to the casein any finite-dimensional Euclidean space a weak supremum set and infimumset theory with respect to cones for the set in finite-dimensional Euclideanspace is developed,and several similar properties to the set in real space are ob-tained,with the concepts of this weak supremumset,w-D-conjugate maps and w-D-subdifferentials theory for the point-to-setmap are developed,and its several properties and its relationships with weakefficient solutions of the multiobjective programming are studied.

推广实空间中上、下确界的概念至任意有限维欧氏空间,建立了有限维欧氏空间中集合的锥弱上、下确界集理论,得到了与实空间中十分相似的性质。借助于这一理论,应用上、下确界的概念,给出了点集映象的w-D-共轭映象及w-D-次微分理论,并研究了它们的若干特性及其与弱有效解之间的关系,此外还讨论了弱鞍点问题。

We paid special attention to the complex linear space consisting of all linear mappings from dimensional complex inner product space into dimensional complex inner product space .

2是与基的选择无关的概念。容易验证内积(2)满足内积的公理,从而是一个位的复内积空间。当是的正交归一基,是的正交归一基,可以证明构成的正交归一基。

At present, many known results are obtained only on one dimensional functional space, and the research on high dimensional space is little, only the continuous solutions are discussed on RN, neither the differentiate solutions on RN nor the solutions on abstract space and manifold.

在一维情形下,所涉及的函数通常具有较好的性质比如单调性,逆映射导数的LipschitZ性(在研究光滑解时通常需考虑)等,而第il页摘要高维空间上函数则不具有这些好性质,因此,讨论高维空间上的迭代方程要求在方法上作一些改进和突破。

According to the theory of beam phase space, the projective density distributions in four dimensional and two dimensional trace space are derived for some space charge distributions often used in accelerator physics.

理论和实验研究都已发现,它们与束流空间电荷的非均匀分布有密切关系。

According to the theory of beam phase space , the projective density distributions in four dimensional and two dimensional trace space are derived for some space charge distributions often used in accelerator physics. And, the relation between beam emittance and brightness with density distributions is developed too.

针对加速器中几种常用的束流密度相空间分布形式,根据束流相空间理论,推得了它们在四维和二维径迹空间中的投影密度,并给出了束流发射度和亮度与束流密度分布的关系式,为加速器束流测量和束流诊断提供理论依据。

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推荐网络例句

In contrast to the ubiquitous rising-sun-with-rays military flag of the Japanese, Chinese banners and ensigns feature a range of designs.

与遍地都是的太阳军旗不同,中国人的旗帜和徽章设计得各式各样。

From their small corner of Feng's Guangzhou headquarters -- a jumble of pink leashes, squeezable rubber steaks, and plastic doggy Santas for Fido's stocking -- Soleil's designers come up with at least five new products a month.

从Feng 设在广州总部的产品展示柜台上可以看到,Soleil的设计师每月至少设计出5件新产品。

FFT is important for additive synthesis because it helps us to estimate the values for the oscillators that produce the partials of the synthesised sounds.

FFT对加法合成是很重要的,因为它有助于我们评估产生合成音分音的振荡器的价值。