查询词典 angular coordinate

To analyze the feature of dam-break flow in natural channel bends,channel-fitted orthogonal curvilinear coordinate system is established and two-dimensional shallow water equations are derived in this system through coordinate transformation,simplification and depth integration.

为分析溃坝波在天然弯曲河道中传播的特点，建立了跟踪河道走向的正交曲线坐标系，并通过坐标变换、简化和水深积分推导出了曲线坐标系下的二维浅水方程。

The main contents of this dissertation are as follows:1 A station orthogonal coordinate system, which is the reference coordinate system for the three-dimension adjustment of observation data of GPS dam deformation monitoring network, has been put forward.

主要包括内容以下：(1)提出了以站心地平坐标系作为GPS大坝三维变形监测网平差的参考坐标系，推导了在该坐标系下GPS大坝三维变形监测网平差的数学模型及公式；采用拟稳平差的方法对GPS大坝三维变形监测网观测数据进行处理。

The errors and area limits caused by the lunar curvature were avoided in this model established under the Selenocentric Orthogonal Coordinate System, the accidental errors of exterior line elements were reduced by orbit fitting and interpolation, the polynomial orders of systematic errors in satellite orbits were decreased with their expression in the flying coordinate system moving and rotating with satellites, and the reliability of exterior orientation solution was enhanced under the condition of sparse and low accuracy control points by appending constraint of orbit and attitude parameters.

该模型通过在月心直角坐标系进行影像空中三角测量来消除月球曲率引起的误差和测图范围限制，通过轨道形状的拟合与插值来减小摄影时刻轨道位置的偶然误差，在飞行坐标系中建立轨道修正模型来减少定向参数的数目，对轨道和姿态增加约束条件来提高月面控制点数目稀少及精度低条件下外方位解算的精度与可靠性。

Thismodel is formulated with the relative displacement and the contact press directlyin the orthogonal coordinate system,without introducing the slip angle asvariable and transforming the variable to the polar coordinate system.

未引入滑动角度作为变量，直接在直角坐标系下以接触力和相对接触位移为变量进行列式，无须转化到极坐标系下。

Msmodel is formulated with the relative displacement and the contact press direCtiyin the orthogonal coordinate syStem, without introducing the slip angle asvariable and transforming the variab1e to the polar coordinate system.

在工程实际中得到大量应用的二维摩擦接触问题迭代法，贴近力学直观，无须引入额外变量，无须计算导数矩阵，被工程界所熟悉。

Each hydraulic link of 6-DOF parallel robot is treated as an open joint-link chain. Each link's local coordinate frames is established according to the position and orientation of the component of the spatial mechanism. The stiffness and damping matrices of the link are transformed into the static gross coordinate frame through transfer matrix described by the RPY description method. The differential equation of motion of the system vibration is derived.

将6-DOF并联机器人的液压分支作为假想的单开链，由空间机构的位姿建立其组成构件的局部坐标系，并利用RPY角描述方法，通过转移矩阵将各构件的刚度及阻尼矩阵依次转移到固定坐标系中，得到了系统振动的运动微分方程。

Project both the object and the coordinate system of the three-view system to the P-plane with parallel projection such that the new projected drawing simultaneously reflects three coordinate

当的投射方向，将物体连同确定投影法投射到P平面上，使所得到的投影图能反映出三个坐标面

Using computer to control camera to shot the object continually and process the image timely, the pels coordinates of the laser can be get accurately. The 2-D coordinate can be changed to 3-D coordinate based on the arithmetic model builded and the automatic measurement is completed after the object can be rebuild as point cloud.

利用计算机控制摄像头对实物进行连续拍摄，并对图像进行实时处理，从而获得精确的激光线上的像素点坐标，利用建立的算法模型，将已知的二维坐标转换成三维坐标，以点云信息的形式重构出物体，完成三维自动测量。

The questions covering pre-algebra and elementary algebra make up the Pre-Algebra/Elementary Algebra Sub score. The questions covering intermediate algebra and coordinate geometry make up the Intermediate Algebra/Coordinate Geometry sub score. The questions covering plane geometry and trigonometry make up the Plane Geometry/Trigonometry sub score.

包含有基础初等代数和初等代数的考题构成了基础初等代数/初等代数的技能分数，涉及到中等代数和坐标几何的考题构成了中等代数/坐标几何的技能分数，而涵盖平面几何和三角函数的考题则构成了平面几何/三角函数的技能分数。

Setting out the main way to coordinate, polar coordinate method, angle of law, such as tangent offset method.

放样的方法主要要坐标法、极坐标法、偏角法、切线支距法等。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样