查询词典 curvilinear coordinates

The determination of projective coordinates in different reference ellipsoid ,which is with the transform between Ellipsoid elements in different reference ellipsoid ,gets the Coordinates in corresponding new Ellipsoid,and finally projects to horizontal coordinates.

位于不同参考椭球面下投影面坐标的求解，是通过不同参考椭球间椭球元素的转换，求得对应的新椭球体上的大地坐标，最后投影至平面坐标。

Oral English assessing section is divvied into 3 grades according to the questioning and answering ability of people being tested. And every grade contains 3 levels. Phonetic system is a tridimensional syllable list showing like coordinates with horizontal coordinates consist of vowels and vertical coordinates consist of consonants; Grammar section is made of a tense table according to the time and the state of event.

口语评定系统以被测评人的话动发起和响应能力划分为三个等级，其是每个等级又分又划分为三个子级；音标系统是分别把元音、辅音指定为横纵坐标组成一个立体的音节表；语法系统是按照时间、事件状态组成十六种时态表。

Laying-out of coordinates, elevation, subtense and coordinates determination, can be carried out by using of total stations, in which the mathematic model of laying-out excavation cutting with coordinates method is derived.

0引言放样路堑开挖线的传统方法是将仪器架设在线路中线上，沿线路中线的法线方向用距离来寻找开挖线的位置(即中线设站距离逐点逼近法)[1]。

With the main line of"why coordinates","whether coordinates"and"how coordinates", the dissertation expounds the predicament for East Asia in the choices of the exchange rate systems, analyzes the economic basis of the exchange rate coordination in East Asia, and preliminarily proposes the basic idea of the exchange rate coordination in East Asia.

全文以"为何协作"——"能否协作"——"如何协作"为主线，探究东亚区域汇率制度的选择困境，分析东亚汇率协作的经济基础，并提出东亚区域汇率协作的初步构想。

Firstly,the cameras were calibrated high accurately,and the stereoscopic vision system model was established.Secondly,the 3D coordinates of the center of LED on the light-pen were achieved through matching the 2D images grabbed by the two cameras.Then,a series of the 3D coordinates of the center of LED were used for fitting straight line,and the 3D coordinates of the pen-points can be obtained from the line.

首先，对摄像机进行了高精度的标定，建立了双目立体视觉系统模型；其次，通过左右摄像机拍摄的二维图像，将两幅图像中的点进行匹配，获得光笔上的LED光斑中心三维坐标；然后，由一系列LED光斑中心的三维坐标拟合直线，从直线上得到笔尖的三维坐标。

ABSTRACT: By using image processing software, based on the coordinates of clear points in images and the theoretical coordinates of the points in the reference coordinate system, the coordinate relation multinomial of pre-and post-correction control points can be established by means of the digital image correction technique and the coefficient in the multinomial can be sought on the basis of the coordinates of a certain number of control points.

前言 考古绘图一直是考古学研究中不可或缺的重要技术，能够反映考古遗迹的分布状况或者典型器物的多重特征。但是随着考古学研究的深入和对相关技术手段需求的增加，考古绘图技术却始终停留在通过直尺等量取数据、再使用直尺和铅笔绘图的水平上，成图精度很低，周期较长，图形品种单一，远远不能满足现代考古学研究的需要。

It was proved that the area coordinates of plane triangle element and the volume coordinates of tetrahedron element are equivalent to the oblique Cartesian coordinates by the analytical and geometrical methods.

本文通过分析法和几何法证明：在有限元法和边界元法中，平面三角形单元的面积坐标或四面体单元的体积坐标与由这些单元的二边或三边构成的斜交笛卡儿二维坐标或三维坐标，尽管定义不同，而其内容却是完全对等的。

First of all, the original input data weighted to calculate the weighted center of gravity after the data coordinates, will be moved to the coordinates origin Ping The center of gravity coordinates, re-normalized.

首先 将原始输入数据加权，计算加权后数据的重心坐标，将坐标原点平移到该重心坐标，再作归一化处理。

The coordinates in the window coordinates are based on entire window, including window border, caption bar, menu bar and scroll bar, in which the origin of window coordinates is the upper-left corner of the window.

窗口坐标系的坐标是相对于整个窗口的，窗口边框、标题栏、菜单和滚动条都包括在内。

System speaking of the Master CAM, first must establish the components the geometry model, according to the components actual size, draws its processing part the contour line, does not need to draw the entire components the model, guaranteed the computation production the cutting tool way coordinates accuracy, and may use the Master CAM Chinese Library level the function, when determination cutting tool way, transfers or the hideaway, the selective treatment needs contour line; Next, the formulation processing craft and the definite craft parameter, chooses the cutting tool, the processing semi finished materials, the work piece origin of coordinates again and so on, establishes the work piece coordinates system, definite work piece coordinate system and engine bed coordinate system relative size, thus obtains the components processing correct cutting tool way; Finally, the simulation function which system provides using the Master CAM, the realization simulation processing.

对于Master CAM系统而言，首先要建立零件的几何模型，根据零件的实际尺寸，画出其加工部分的轮廓线，无需画出整个零件的模型，以保证计算生成的刀具路径坐标的正确性，并可利用Master CAM中图层的功能，在确定刀具路径时，加以调用或隐藏，来选择加工需要的轮廓线；其次，制定加工工艺并确定工艺参数，再选择刀具、加工毛坯、工件坐标原点等，建立工件坐标系统，确定工件坐标系与机床坐标系的相对尺寸，从而得到零件加工的正确刀具路径；最后，利用Master CAM系统提供的仿真功能，实现模拟加工。

Green function defined inphase space differs from one in coordinate space by its struc-ture which exhibits nonlocatity in coordinates and oscillatorybehavior with respect to momenta.

在相空间中定义的Green函数不同于通常坐标空间的Green函数，在结构上显示出对坐标的高度非局域性，而对动量则显示出振荡行为。

The upper front part of a saddle;a saddlebow.

前鞍桥马鞍前面的上部分；前鞍桥