WKT和SVG在坐标系中定义不同的原点。
WKT and SVG define different origins for the coordinate systems.
注意，SRS名称和ID是任意的，而且是每个数据库本地的，但是底层的坐标系常常是根据行业特权而预定义的。
Note that SRS names and IDs are arbitrary and local to each database, but the underlying coordinate systems are often predefined, with reference to industry authorities.
然后，在uv坐标系内，把面积元素定义为dA，只是为了让他们看起来不同。
And, the area element in uv coordinates, let me call that dA prime just to make it look different.
给出了焊缝倾角和焊缝转角的广义定义，提出建立焊缝特征坐标系的方法。
The definition of weld slope and weld rotation are described, and characteristics coordinates frame of seam are set up.
文中提出了悬树和扩展轮廓的概念，通过对扩展轮廓的分析和定义，使用动态坐标系和动态包围盒技术，设计了一个扩展轮廓的求取算法。
Basic concepts and definition of suspended tree and extended contour are given, an algorithm to extract it is presented using techniques of dynamic local coordinate system and adaptive bounding box.
对3 - d坐标系中定义的对象最基本的操作就是变换、旋转和缩放。
The essential operations performed on objects defined in a 3-d coordinate system are translation, rotation, and scaling.
对转台三个框架系统的坐标系进行了定义，对转台框架系统的动力学进行了分析，建立了三轴转台框架运动的运动学和动力学模型。
The coordinate system for three axes frame of simulator is defined, the dynamic analysis of simulator frame system is analyzed, the kinematics and kinetic models have been built.
度量为坐标系定义的几何函数，有了它，坐标系上任意两点间的距离可以通过点的坐标来计算。
A geometric function defined for a coordinate system such that the distance between any two points in that system may be determined from their coordinates.
据梯度、散度、旋度的定义，用物理的方法给出了在球坐标系中的表达式；此方法也可以推广到其它的正交曲面坐标系中。
According to the definitions of grads, divergence and rotation, the expression in spherical coordinate system is given from the point of physics.
坐标系是部件空间位置的替代定义，对于检查器来说，该替代定义比部件空间位置的真实坐标更为方便。
Coordinate System is an alternate definition of a part's position in space that is more convenient for the inspector than its true coordinates.
其次根据宿主网格模型定义三维构图知识，包括构图坐标系类型和其他纹理映射参数；
The second is defining the 3D design knowledge of host polygonal model, including mapping coordinate type and other parameters.
本文的主要研究的内容如下：首先，定义了分析中用到的坐标系。
What has mainly investigated in this paper are present as follows: First, the coordinates that used in the analysis are defined.
基础算法库：包括常用坐标系定义、欧拉角的定义、仿真算法库的建立等。
The mathematical model is composed of the following parts:1) Basic algorithm library: it covers the definition of coordinate system and Euler angles, as well as simulation algorithm library, etc.
本文定义了实物坐标系与显示坐标系 。
中国大地坐标系的定义，与国际地球参考系的定义一致。
The definition of the China Geodetic Coordinate System 2000 is identical with that of the International Terrestrial Reference System.
中国大地坐标系的定义，与国际地球参考系的定义一致。
The definition of the China Geodetic Coordinate System 2000 is identical with that of the International Terrestrial Reference System.
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