查询词典 angular coordinate

The author then introduces the differential relationship between vectors as well as tensors in a curve coordinate system and curve coordinates, and the transformation relationship between coordinate systems and their matrix expressions.

简要介绍了卫星重力测量中所涉及到的曲线坐标系下矢量、张量与曲线坐标之间的微分关系、坐标系之间的变换关系以及它们的矩阵表示。

Taking the unknown coordinate in curved surface and curve as design variables, the equation of curved surface as constrained condition, and the distance between unknown coordinate as objective function, optimization is proposed to minimize the distance between curved surface and curve.

建立以曲面、曲线上未知，点坐标设计变量，以曲面和曲线方程为约束条件，以曲线和曲面距离为目标函数的约束优化方法来精确地确定曲面和曲线之间最短距离，同时确定获得最短距离对应的坐标点。

Based on coordinate system on the scalp and CT measurements, curve localization method could localize any point on the scalp with its curve coordinate values, which was used simply and conveniently and didn't need sophisticated equipment.

曲线定位法以头皮分区和CT测量为基础，能以曲线坐标值定位头皮上的任意一点。

Through to the road grade separation circular route mathematical model's research, has based on this compiled the road grade separation circular route coordinate computational procedure; Each kind of curve linear on the one hand pile computation general formula's establishment, is advantageous in the programming solves on the other hand any curve the pile coordinate.

通过对公路立交匝道数学模型的研究，在此基础上编写了公路立交匝道坐标计算程序；各种曲线线形边桩计算通用公式的建立，有利于编程以解决任何曲线边桩坐标。

First, the paper introduces the moving coordinate system based on the curve tangent vector and the curvature component vectors. Next, the total curvature vector is composed and the osculating plane determined in the moving coordinate system. The curve bending is then calculated and the recursion analysis made on the osculating plane.

鉴于空间曲线上曲率采集面的变化，引入了由曲线切向量和曲率分量决定的运动坐标系，接着在运动坐标系中合成曲率矢量，确定密切平面，然后在密切平面中对曲线进行弯曲计算和运动坐标系的变换分析，并对相关公式进行了推导。

It shows that flow field of vertical vortex is not only the function of the radial coordinate but also the function of the axial coordinate.

运用数值模拟具有能模拟各种不同边界条件的优势，还对非对称来流条件下形成的立轴旋涡进行了模拟。

For example, if the screen resolution is 640*480, the right-lower corner of the screen is x==639 and y==479. If you want to convert the screen coordinate to window coordinate, use ScreenToClient function.

例如，如果屏幕分辨率是640*480，屏幕右下角的坐标是 x=639 y=479，如果你想屏幕坐标为窗口坐标，用 ScreenToClient 函数。

Based on the switch process of work piece coordinate system to machine coordinate system, explained the function and principle of aiming at tool operation.

根据工件坐标系向机床坐标系的坐标变换过程，说明对刀操作的作用和原理。

Compression Shapes are compressed using a very efficient delta encoding scheme, often the first coordinate of a line is assumed to be the last coordinate of the previous one.

压缩 形体使用了非常有效的差值编码方法来压缩，经常直线的开始坐标是上一条直线的最终坐标。

Compression Shapes are compressed using a very efficient delta encoding scheme, often thefirst coordinate of a line is assumed to be the last coordinate of the previous one.

压缩 形体使用了非常有效的差值编码方法来压缩，经常直线的开始坐标是上一条直线的最终坐标。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。