平面曲线

The motions of plane and space curve have a wide range of applications.

平面和空间曲线的运动有着广泛的应用。

A study on yield locus of unsaturated soils on p-s plane and soil-water characteristic curve.

非饱和土在p-s平面上的屈服轨迹及土-水特征曲线的探讨

For NC machining of plane section method, the machining path of tool cutting plane and implicit surface can be found, and the curve of the tool path is drawn by the positive-negative method.

把隐函数的优势应用到数控加工编程中，即对于截面法的数控加工，求出刀具切削平面与隐函数曲面的加工轨迹，再用正负法绘制刀具轨迹曲线。

The yield curve in q direction in π plane is a curving triangle that obtained from the true-triaxial test data of Chongqing red clay.

用重庆红粘土真三轴试验数据拟合得到偏平面上的剪切屈服曲线为一曲边三角形。

Firstly, the basic character of the remote filed eddy current is simulated and analyzed in case of two-dimension axial symmetry which approves the existence of remote filed eddy current phenomenon; the full circumferential defect model is investigated to approve the feasibility of using the RFEC techniques to detect the position and depth of defect; the pit corrosion、circumferential and axial crack models are simulated, and the defect character based on voltage plane polar plot and the changes of phase and amplitude are analyzed to supply the standard for defect reconfiguration.

首先，在二维轴对称情况下仿真与分析了远场涡流的基本特性，证实了远场涡流现象的存在；对全周向缺陷的远场涡流检测进行了详细研究，证实了远场涡流检测缺陷位置和深度的可行性；对点状腐蚀、轴向与周向裂纹三种非轴对称缺陷进行三维有限元仿真，利用相位差和幅值变化曲线与电压平面极坐标图对缺陷特征进行分析，为缺陷形状重构提供了依据。

This option appears when the Default Projection Plane is Best.

使用默认平面：使曲线平坦到已存在的构造平面上。

Based on the stereographic projection that preserves Pythagorean-Hodographs, a spherical rational PH curve is constructed to solve this problem.

基于球极投影保持PH性质这一特性，通过球极投影把球面数据投影到平面上，构造一条平面PH曲线。

Firstly, the curvature continuity conditions between two adjacent rational quadratic curve segments are derived. Secondly, an optimal algorithm is presented for solving out the tangent lines at every points of a closed point set in a plane.

首先导出了两相邻二次曲线段间曲率连续的拼接条件，然后提出了求解平面上一个闭的点列中每一点处的切线的最优算法。

Basing on electromagnetism theory characteristic of light wave, the formula of the relation of refringence e light is inferred under any axis location and any angle, when it is refracting.

基于平面光波在晶体中传播的电磁理论特性，推导了光波在晶体表面折射时，双折射光波中e光线透过晶体出射点的位置受到任意光轴取向、任意入射角影响的关系式；利用MATLAB对关系式进行了数值计算分析，绘出双折射e光与任意光轴取向、任意入射角关系曲线，并给出了对应的定量关系式；实验验证了该公式是正确的。

In this paper, a new tracing algorithm is presented for planar curve reconstruction based on the regular distribution property of the point set.

根据实际采样中离散点分布相对集中的特点，给出了一个用简单曲线拟合平面上的无序点集的跟踪算法。

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