笛卡尔(Descartes)躺在床上看天花板上的苍蝇，领悟坐标几何原理；
To Descartes it took place in bed while watching flies on his ceiling.
揭示了坐标几何学;,当你在学校学习X轴和Y轴的时候,它们被叫作笛卡尔坐标，那就是以他的名字来命名的。
He discovered co-ordinate geometry; so in school when you are learning about x and y coordinates and they were called Cartesian coordinate that's after Descartes.
错误的坐标表现为缺少相关联的点几何值，触发器过程会悄悄地终止。
Bad coordinates are reflected in the absence of associated point geometry values, and the trigger procedures fail silently.
内部调用（对 ST_Point()）创建一个具有纬度-经度坐标（SRID =1）的点几何值。
The inner call, to ST_Point(), creates a point geometry with latitude-longitude coordinates (SRID = 1).
当更新源表中的坐标列时，必须构造一个新的点几何值。
When either of the coordinate columns in the source table is updated, a new point geometry must be constructed. The update trigger looks like this
矢量数据包含由x和y坐标，经常还有 z（立面）坐标所定义的几何图形。
Vector data contains geometric shapes defined by x and y coordinates, and frequently z (elevation) coordinates.
这些类允许各种几何图形建立在双精度或浮点精度的坐标系上。
These classes allow the various geometric shapes to be constructed with coordinates of either double or float precision.
因此，如果在SVG输出中显示原有的WKT坐标，那么所有几何图形就会颠倒。
Thus, if the WKT coordinates are shown unchanged in the SVG output, all geometries would be upside down.
假设物体和目标的世界坐标已知，那么广告牌技术将会是一个简单的几何操作。
Assuming that both the objects and target positions are known in world coordinates, then billboarding becomes a simple geometrical operation.
使用坐标变换法分析了斜角切削几何参数之间的关系。
The geometrical parameters associated to oblique cutting were analyzed using the coordinate transformation approach.
本文分析了成型铣刀刀刃曲线的几何性质，推导出它的数学方程，求取铣刀上圆盘刀片中心坐标，为成型铣刀的计算机辅助设计奠定了理论基础。
This paper analyses the geometrical character of curve of edge of form milling cutter, and infers the mathematical equations of curve, The center coordinates of conical button-shaped are evaluated.
特殊几何形状壁面附近局部贴体坐标网格的范围不宜太大，否则会引起计算结果的畸变。
The range of local body-fitting coordinate mesh adjacent to the wall with special geometry should not be too wide or extended, or it would cause the aberration of computational results.
如果物体通过几何变换而被放置在世界坐标系中，比如通过平移和旋转，那么视图跟踪他在世界坐标系中位置变换的轨迹可能会是一个艰难的工作。
If the object is positioned in the world through geometric transformations, such as translations and rotations, then keeping track of its position in world coordinates can be a hard task.
三坐标测量机可对各种零件进行几何元素和形位公差的测量。
The CMM (Coordinate Measuring Machine) can be used to measure the geometric element and the tolerance of position and shape of many kinds of work pieces.
本文讨论多元质量数据的矢量分析方法，几何变换，坐标旋转和初始变量的主分量计算不同变量的主分量值。
This paper deals with the multivariate vector analysis of quality data by geometric transformation, rotating coordinates and computation of the principal component of initial variables.
通过对双金属片轮廓的分析、测量，使用计算二值化图像像素重心的方法得出双金属片的几何中心坐标。
Though the analysis and measurement of bimetallic strip contour, the geometric center coordinates can be given by computing the binary image pixels barycenter.
模式识别；可视化；多元数据；图表示；几何代数；子空间坐标；优化。
Pattern Recognition; Visualization; Multivariate Data; Graphical Representation; Geometric Algebra; Subspace Coordinates; Optimization.
新方法可以精确测量出水中被测物表面的三维坐标并计算出物体的几何尺寸，实验验证了该方法的有效性。
The proposed method can measure accurately three-dimensional coordinates of objects' surface in water, and calculate the geometrical size of the object.
本文同时以直观的几何方法导出坐标变换矩阵，以便于应用。
In this article the transformation matrices of coordinate systems are derived with geometrical method for the purpose of application.
大量文献从几何意义上出发，推导了各种平面坐标的转换模型。
Various models for plane coordinates conversion are deduced starting from their geometrical significance in large number of literatures.
用解析几何的公式直接计算某个点的坐标、点与点之间的距离、点到直线的距离等。
The coordinate of a certain point, the distances between points and distances from point to line are directly calculated with the analytic geometry formula.
在4坐标数控机床上实现了几何误差的软件补偿。
The software compensation of geometric error is realized in 4-coordinate NC machine tool.
基于齐次重心坐标，定义了新的网格顶点几何变量——锐度因子。
Based on homogeneous barycentric coordinates, a new geometric variable, sharpness factor, is defined for measuring sharpness of independent vertexes.
本文从双基地多普勒天气雷达系统的原理出发，介绍了双基地多普勒天气雷达的坐标系、基本几何关系、双基地雷达方程。
My paper introduces reference frame of bistatic Doppler weather radar, basic geometry connection and the equation of bistatic Doppler radar from the theory of bistatic Doppler weather radar.
三坐标测量机(CMM)是一种高效率的几何量精密测量仪器。
Coordinate Measurement Machine (CMM) is a kind of high precise and efficient apparatus.
简体中文标题：产品几何技术规范（GPS）。坐标测量机（CMM）的验收和复检试验。用于扫描测量模式的坐标测量机。
English name :Geometrical product specifications (GPS). Acceptance and reverification tests for coordinate measuring machines (CMM). CMMs used in scanning measuring mode.
探讨解决了一些设计上的问题，诸如构造场景图与几何建模、坐标变换迭代算法、碰撞响应处理等。
Some design problems were discussed and solved such as Scene Graph, Shape Modeling, iterative algorithm on coordinate transform and collision response etc.
运用解析几何中的坐标变换和投影，得出一种有效求解位置反解的新方法，通过MATLAB软件对该方法进行了仿真和验证。
It put forward an effective new method to resolve the inverse position by using the conversion of coordinates and projection in analytic geometry, the method was simulated and verified by MATLAB.
以抛物面壳为例，介绍了用节点坐标为未知量分析复杂剪式铰结构几何问题的方法和几何设计的步骤。
Geometry analysis and design procedure of complex pantograph structures are studied with joint coordinates as variables and parabolic shell is taken as an example.
以抛物面壳为例，介绍了用节点坐标为未知量分析复杂剪式铰结构几何问题的方法和几何设计的步骤。
Geometry analysis and design procedure of complex pantograph structures are studied with joint coordinates as variables and parabolic shell is taken as an example.
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