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特征曲线

与 特征曲线 相关的网络例句 [注:此内容来源于网络,仅供参考]

Automatic identification method of conics is studied based on the curve geometric invariants.

讨论了基于二次曲线不变量的圆锥曲线特征自动识别方法。

Something characterized by such a line or surface, especially a rounded line or contour of the human body.

弯曲物具有曲线或曲面特征的东西,尤指圆形的线或人体的曲线轮廓

"Something characterized by such a line or surface, especially a rounded line or contour of the human body."

"具有曲线或曲面特征的东西,尤指圆形的线或人体的曲线轮廓。"

Furthermore, by the design method that a developable surface is an envelope surface, we give detail analysis of examples about using the same control planes to design developable surfaces.

讨论了所设计可展曲面的特点和几何构造,研究结果表明,所提出的设计方法具有现有曲线设计方法的特征,现有的对于曲线的一些几何构造技术可延伸到可展曲面的设计。

Techniques for the geometric design of developable surfaces herein had all the characteristics of existing approaches for curves design.

讨论了所设计可展曲面的特点和几何构造,研究结果表明,所提出的设计方法具有现有曲线设计方法的特征,现有的对于曲线的一些几何构造技术可延伸到可展曲面的设计。

A differential polarization curve method and its application in the investigation of the anodic desorption behaviors of interface corrosion inhibitor were proposed and expounded.

提出对半对数极化曲线进行微分的方法,得到的微分极化曲线及其特征参数可以更精细地表征缓蚀剂的阳极脱附行为

The essay is about the teaching research into the relations between the definition geometrize nature and circular cone , in which the teaching research of definition mainly uncovers the nature of circular cone;geometry nature about how to lead the students to understand the geometry nature of circular cone with equations in the thought of figures and shape.

其中定义的教学探究主要是揭示圆锥曲线的本质特征,几何性质的教学探究主要引导学生从方程的角度,用数形结合的思想去理解圆锥曲线的几何性质。

The divergence angle is calculated based on geometry characteristics of two facula curves detected at the different positions to the laser. Facula curves are gained through scanning by two hemicycle probes which have different radius.

该方法以激光光束传输到不同距离处的2条光斑外缘曲线的几何特征为基础来求LD的发散角,而2条光斑外缘曲线分别由2个半径不同的半圆环探头的旋转扫描探测获得。

Second, transient flow for vertical well and fractural well in porous media with arealanisotropy has been researched in this paper. The analytic solution for vertical well andsemi-analytic solution for vertical fractural well is developed by using image inversion,superposition principle, Laplace transformation, Fourier transformation, as well as theirinverse transforms, and storage and skin are taken into account. For vertical fractural well,influence of pressure and productivity is studied when the orientation of artificial fractureisn't in accordance with the direction of major permeability, it is fundamental to evaluatepotential and analyze well test data.

文中研究了平面各向异性储层不定常渗流问题,建立了平面各向异性储层交叉直线边界中一口直井渗流的数学模型,利用镜像反演、Laplace变换、Fouier变换及其反变换推导了不同边界条件下直井的Laplace空间解析解,考虑井储和表皮的影响,分析了曲线特征及影响因素的敏感性曲线;并运用影响椭圆及Duhamel叠加原理,推导了平面各向异性储层中垂直裂缝井的压力分布方程,考虑了水力裂缝与主渗透率轴成一定角度对压力及产能的影响,为垂直裂缝井的产能评价及试井分析提供依据。

Three-dimensional reconstruction is realized by three-dimensional morphological characteristic of cucumber leaf ,cubic Bezier curve of leafstalk,pentagon leafstalk section,jointing quadrangle leafstalk surface,leafstalk shags built by random and joint sequential C0 cubic NURBS surface in cucumber.

根据黄瓜叶的三维形态特征,利用3次Bezier曲线描述黄瓜叶柄曲线,采用五边形作为叶柄截面,用四边形面片进行叶柄表面拼接,并用随机方法生成叶柄的粗毛;利用C0连续的3次NURBS曲面拼接生成了黄瓜叶片曲面,实现了黄瓜叶的三维重建。

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I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

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起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像,后来回台湾,甚至去年在北京,居然也四处看见她的海报,才惊讶她的魅力之大。

Ah may dee:You are chinese living in a democratic country.

你是居住在民主国家的中国人吧。