Well, for example,if our surface is a plane, a slanted plane given by some equation, ax by cz = d.
比如说，假如我们的曲面是一个平面，由公式ax+by+cz=d给出的，一个倾斜的平面。
This paper describes 3-D curved surface, such as wave-surface etc, on 2-D plane by using hidden-line method.
本文用带消隐线的方法在二维平面上来描绘三维曲面，例如波表面等。
The identifying and classifying method of the features of dimension elements in a 2-d plane graph is suggested.
本文提出二维平面图形的尺寸单元特征识别分类的方法。
Furthermore, the 3-d boundary value problem in boundary layer region is decomposed to 2-d plane strain and torsion problems.
进一步在边界层区域将三维的边值问题分解成二维的平面应变和扭转问题。
A microstrip Yagi antenna that employs a 2-d EBG (Electromagnetic Band-gap) ground plane as the reflector is presented in this paper.
提出了一种采用二维电磁带隙结构地板为反射器的微带八木天线。
Now, let's extend visualization into the third dimension (on a 2-d plane) by exploring some of the APIs that Processing provides for 3-d.
现在，让我们通过了解Processing所提供的3dAPI，将(2d平面)可视化扩展到第三维。
This article is intended to provide new algorithms for the intersection processing of straight line and arc used in the 2-D plane figure.
本文介绍了一个用于二维平面图形的直线、圆弧相贯处理的新算法。
The recent potential flow theory and finite-difference method are applied to generate orthogonal numerical grids and to compute two-D plane flow fields.
运用新近的解析-数值势流理论方法，生成正交数值网格，用差分法计算出平面二维流场。
The flood routing in the flood diversion area of Baitan Lake, in Hubei Province, is calculated by the developed plane 2-d water mathematical model for flood diversion area.
运用改进的分蓄洪区平面二维水流数学模型计算了湖北省白谭湖分蓄洪区洪水演进的情况。
This method more effectively suppresses spatial nonstationary and stationary noise than the adaptive null-forming beamformer method by using a rotatable main lobe in the 2-D plane.
这种方法更有效地抑制了空间的非平稳和固定噪声比使用一个可旋转的主瓣中的2-D平面空的自适应的成形波束形成方法。
The display period of periodic pseudo-pattern in a virtual 2-D plane is dependent on the pulse number in a modulation period and the display plane width, which is proved in this paper in detail.
分析了周期性对称调制伪模式的显示周期与平面宽度和调制周期内的调制脉冲数之间的关系。
To reproduce the landscape in 3-D, a twin-engine plane flew over the city and fired laser beams through the dense tree canopy. The beams bounced off the ground, buildings, and other structures below.
为了在3 - D模型中重现，一架双引擎飞机飞越城市和浓密的树冠，发射并采集从地面，建筑物和其他结构反射回来的激光束。
If you have a plane, ax+by+cz=d then the normal vector would just be .
如果你有一个平面，，，ax+by+cz=d，那么法向量就是。
Fire up those 3-d SDL libraries, map the drawing surface onto a plane, and you can have full-motion video as an aspect of your 3-d world.
利用那些3dsdl库，可以将绘制表面映射到一个平面，并让运动视频成为3d环境中的一个面。
D figure information of any section was also attained after spatial mapping transformation between CCD image plane and light-section plane.
经过CCD摄像机像面和光切平面之间的空间映射变换及图象处理后，可一次获得被测物的某一个截面的二维轮廓信息。
Some key technologies are discussed such as video cameral calibrating, laser plane calibrating 3-D coordinate computing of measured object and data fusion of multiple view measurement.
探讨了摄像机标定、激光平面标定、被测物体点三维坐标计算及多视角测量数据融合等关键技术。
With the method of plane wave spectrum(PWS) , a 2-D electromagnetic scattering problem, the influence of a cylinder on a continuous antenna, is solved. The formulae given in this paper are accurate.
用平面波谱法，求解圆柱对连续口径天线的二维散射问题，给出圆柱对天线远场的散射影响，得到精确的公式。
All passengers, the plane will take off from San Francisco to Shanghai China d. c, please return to your seat, and fasten your seat belt.
各位旅客，从旧金山飞往中国上海的飞机即将起飞了，请各位旅客回到座位上，系好安全带。
After analysing manifold color clustering methods, we present two unsupervised methods based on 2-d chroma plane, i. e, the density-based triangulation method and the GA-based optimization method.
在分析了多种颜色聚类方法的基础上，提出了2种无监督的二维色度平面颜色聚类方法：基于密度的三角化方法和遗传算法优化方法，并通过实验对2种方法进行了比对分析。
A new automated 3-d profile measurement system without any reference object or plane is presented. The principle and its application to human face measurements are also described.
本文叙述一种新的无需参考物体或平面的自动三维度量学测量系统的原理，以及应用这种系统对人体头面部进行测量。
A calibrating method for a camera in a plane coordinate system and a method Of acquiring 3-d visual information using a single camera are discussed.
讨论了在平面坐标系上摄像机的标定和利用单个摄像机获取三维视觉信息的一种方法。
A plane 2-d full load mathematical model is established under the body-fitted coordinate system based on staggered grid.
在此基础上建立了正交曲线贴体坐标系下的平面二维全沙数学模型。
In Part III, the significance, problem and methods of integrating plane 2-d sediment mathematical model with geographical information system (GIS) are discussed.
第三部分对GIS与平面二维泥沙数学模型集成意义、问题和方法进行了分析。
Physical idea of the vector method is clear, stable and convergent. The diffraction problem of plane wave with polarization incident upon 2-d sub-wavelength metal gratings can be processed.
这种矢量模式方法物理概念清晰且稳定收敛，可以处理任意偏振态平面波入射到二维亚波长金属光栅中的衍射问题。
The boundary surface and volume expression of 3-D workspace is addressed byenveloping boundary curves of each plane which are obtained by partitioning 3-Dspace into layers.
对于三维工作空间，在按层划分得到每一层的边界曲线的基础上，采用包络原理得到空间曲面的形状和体积表达式。
Deducing 3-d spatial image parameters according to 2-d section or the image parameters on projecting plane. the required feature informations are extracted and processed.
根据二维截面或投影面上的图象参数去推断三维的空间图象参数，提取需要的特征信息并自动地进行处理及输出特征参数值。
Motion estimation, which may refer to image-plane motion (2-D motion) or object-motion (3-D motion) estimation, is one of the fundamental problems in digital video processing.
运动估计，包括二维的平面估计和三维的立体估计，是数字视频处理中一个很基本的问题。
Motion estimation, which may refer to image-plane motion (2-D motion) or object-motion (3-D motion) estimation, is one of the fundamental problems in digital video processing.
运动估计，包括二维的平面估计和三维的立体估计，是数字视频处理中一个很基本的问题。
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