平面曲线

The distance from the origin to the point at which a line, curve, or surface intersects a coordinate axis.

截距从原点到一条直线、曲线或平面上的点的距离，与坐标轴相交

Mathematics The distance from the origin to the point at which a line, curve, or surface intersects a coordinate axis.

截距：从原点到一条直线、曲线或平面上的点的距离，与坐标轴相交

But this method don't suit for parameterizing planar cubic curve because of choosing and sorting the effective points.

但是这种方法并不适用于平面三次曲线，在有效点的选取、排序等方面均不方便。

The problem of constructing planar cubic PH curve Hermite interpolation is discussed.

讨论平面上三次PH曲线Hermite插值问题。

Mathematics Any of a set of two or more numbers used to determine the position of a point, line, curve, or plane in a space of a given dimension with respect to a system of lines or other fixed reference.

坐标：由两个或多个数值组成的数组中的任一数值，用来在一个直线系统或其它固定参照数值方面决定点、直线、曲线或平面在已知范围空间内的位置

In order to analyze the influence on flood control by Chenhu super bridge in Hanjiang River , a two2dimensional math2ematical model of water flow under non2orthogonal curvilinear coordinates is established , and then , the model is applied to Han2jiang River.

为了分析沉湖特大桥对汉江沉湖河段的防洪影响情况，建立了非正交曲线坐标下平面二维水流数学模型，并应用该模型对汉江沉湖特大桥修建前后的水流运动情况进行了模拟。

It analyzes the change law of the velocity of the intelligent car with three omni-directional wheel triangular layout when it performs curvilinear motion and dual-path respectively,and the mobility of intelligent car in plane is tested.

分析了三轮Δ排列时，智能小车分别作曲线运动、双路径运动时各个驱动轮理论速度变化规律，验证了通用轮式智能小车平面行走的灵活性，并为控制智能小车完成特定运动提供理论依据。

And the devices'properties and improve the properties to prepare the artificial boundary. The bi-epitaxial YBCO superconducting film with 45°grain boundary in a-b plane was made for the first time in China in this article by magnetic sputtering instrument that was designed and fabricated by ourselves. The x-ray θ～ 2θ scan 、Ф scan、rocking curve、non-symmetry diffraction and SEM、 TEM、AES etc. were utilized in the study.

为此，本工作采用自行设计制造的全金属密封超高真空磁控溅射设备，利用x射线θ～2θ扫描、Ф扫描、摇摆曲线、非对称衍射及SEM、TEM、AES等分析测试手段，在国内首次、也是至今唯一的一家，制得a—b平面内具有45°人工晶界的双外延YBCO超导薄膜，并进而得到双外延晶界Josephson结。

The first section is descriptive geometry, including basic knowledge of cartography and projection, projections of point, beeline, plane and their interrelations, projection transformation, curve, curving plane, the projection of curving plane solids, line of section, line of intersection, section and segmentation, elevation projection, dimetric projection.

第一部分为画法几何：其中有制图基本知识，投影的基本知识，点、直线、平面的投影及它们之间的关系，投影变换，曲线、曲面及曲面立体的投影，截交线与相贯线，剖面图与断面图，标高投影，轴测投影等。

This paper researches the construction of clothing band collar and grown-on collar and analyses the interrelated relationship of construction by means of the image principle among cast planes of cast geometry and the direct reflective correspondence nature of square curve.

本文运用射影几何中射影平面间的仿射原理及二次曲线的直射对应性质，研究立领和连身立领的结构组成，分析其经构内在相互关系，最终从理论上剖析了两类衣领的结构设计原理，在实践上提供了两类衣领精确而实用的设计方法。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了