查询词典 rectangular coordinates

Due to the moving base existence of the minehunting and the frame structure characteristic of the sonar array, a new modeling thought in which the boat body coordinates is regarded as moving coordinates and the whirligig equation of sonar array compared with the self coordinates is founded on the basis of the Euler's theorem and the coordinate transform is introduced.

由于猎雷艇作为动基座的存在和声纳基阵的框架结构特点，提出了以艇体坐标系为运动坐标系，运用变形的欧拉定理和坐标变换建立声纳基阵相对自身坐标系的旋转运动方程的建模思想；将所建立的矢量形式的动力学模型展开整理，获得了状态矩阵形式的猎雷声纳基阵动力学方程，为系统动力学模型的实用化奠定了基础。

Due to the moving base existence of the minehunting and the frame structure characteristic of the sonar array,a new modeling thought in which the boat body coordinates is regarded as moving coordinates and the whirligig equation of sonar array compared with the self coordinates is founded on the basis of the Eulers theorem and the coordinate transform is introduced. The dynamic equations of minehunting sonar array with the state matrix form are founded by settling the dynamic models with the vector form. So it offers theory foundation for analyzing the dynamic characteristic and designing robust control.

由于猎雷艇作为动基座的存在和声纳基阵的框架结构特点，提出了以艇体坐标系为运动坐标系，运用变形的欧拉定理和坐标变换建立声纳基阵相对自身坐标系的旋转运动方程的建模思想；将所建立的矢量形式的动力学模型展开整理，获得了状态矩阵形式的猎雷声纳基阵动力学方程，为系统动力学模型的实用化奠定了基础。

Kinematics and dynamics modeling and analyzing method of a 3-RRRT parallel robot was studied. Kinematic model of the 3-RRRT parallel robot was set up with both the branch bar's relative coordinates and movable platform's absolute coordinates used as it's generalized coordinates. On the base of Kane's equation, dynamics model of the 3-RRRT parallel robot was built. Dynamic Numerical simulation of the 3-RRRT parallel robot was finished by using Matlab software, and so it provides valuable reference for motion control strategy of the 3-RRRT parallel robot.

研究一种3-RRRT新型高速搬运机器人运动学与动力学建模及分析方法，以支链构件相对运动坐标和动平台绝对运动坐标作为广义坐标，建立了3-RRRT型并联机器人的运动学模型，结合带乘子的凯恩方程建立了3-RRRT型并联机器人的动力学模型，并利用Matlab软件平台进行了动力学数值仿真，进而为3-RRRT型并联机器人的控制策略研究提供参考。

Tunnel group construction control net is laid out on the basis of Xiaolangdi GPS firstorder control network. For convenient and fast setting out, firstly established a coordinates system of to take every tunnel axis as northward, transformed national geodetic coordinates which is original tunnel design adopted into every tunnel＇s construction coordinates.

洞群施工控制网是在小浪底GPS首级控制网的基础上布设的，为便于施工和快速放样，首先建立以每条遂洞轴线为北方向的坐标系，并将隧洞原设计采用的国家大地坐标转换为每条隧洞的施工坐标。

With the experiment, the approximate calculation formulas about the rectangular scanning and the rectangular scanning area are derived.

实验证明了这种通信方式和扫描技术的可行性，为后续研究和实际应用奠定了良好基础。

Two useful formulae for calculating the attenuation constant of conductor loss for TEm0 and TE0n modes of the rectangular waveguide are derived, and the loss characteristic in the rectangular waveguide is analyzed and computed.

根据横向谐振原理和微扰理论，本文提出了一种分析非理想波导损耗特性的新方法，推导出了一组计算矩形波导TEmO和TEOn模导体损耗的衰减常数公式，并分析计算了矩形波导的损耗特性。

The main floor is almost rectangular, the three balconies have modest fan shape in plan, although the balcony facia at each level create a rectangular shape.

正厅池座基本是长方形， 3组眺台的水平截面为扇形，而不同高度的眺台的挑口饰也组成一个长方形。

By Galerkin meshless method, the equations of motion of static rectangular membrane is established. The first ten natural frequencies of the different aspect ratios and the different pull ratios of rectangular membrane with four clamped edges, three clamped edges and one free edge, two opposite free edges and other two clamped edges were calculated. It is feasible and valid to solve the transverse vibration problem of membrane by Galerkin meshless method.

采用伽辽金无网格法，建立了矩形薄膜横向自由振动的运动方程，并对四边固支、三边固支一边自由、一对边固支另一对边自由三种边界条件下，薄膜的不同长宽比及不同单位长度拉力比作用下的矩形薄膜的前十阶固有频率进行了数值计算，结果说明伽辽金无网格法用于求解薄膜横向振动问题是切实可行的。

When n/n=0, the product is the mixture of h-WO3 (hexagonal system WO3) and WO3.1/3H2O, and have a morphology of nanorods; when n/n=0.5 or n/n=l, the product is γ-WO3, and have a morphology of rectangular flakes; when n/n=2, the product is β-WO3, with the same morphology of rectangular flakes.

当n/n=0时，产物为h-WO3和WO31/3H2O组成的混合物，形貌为纳米棒；当飞n/n=0.5和n/n=1时，产物为γ-WO3形貌为矩形片；当n/n=2时，产物为β-WO3，形貌同样为矩形片。

It pointed out pass defect of current rectangular pipe designed by right angle method,raised obtuse angle design method of rectangular pipe pass.

针对现有方矩形管直角设计法孔型的缺陷，提出方矩形管孔型的钝角设计方法。

We are in a good position to meet your requirements.

我们完全可以满足你方的需求。

We are all pervade d with a sense of disaster.

我们普遍有大祸降临的感觉。