查询词典 orthogonal coordinates

There are fourteen chapters, including introduction, plane stress and plane strain, two-dimensional problems in rectangular coordinates, two-dimensional problems in polar coordinates, photoelastic and moire experimental methods, two-dimensional problems in curvilinear coordinates, analysis of stress and strain in three dimensions, general theorems, torsion, bending of bars, axisymmetric stress and deformation in a solid of revolution, thermal stress, the propagation of waves in elastic solid media, at last there is an appendix on the application of finite-difference equations in elasticity.

全书共十四章，包括绪论、平面应力和平面应变、直角坐标中的二维问题、极坐标中的二维问题、光弹性与云纹实验方法、曲线坐标中的二维问题、三维应力和应变问题、一般定理、简单的三维弹性问题、扭转、杆的弯曲、回转体中的轴对称应力和变形、热应力、弹性固体介质中波的传播，最后有一附录，讲述差分方程在弹性理论中的应用。

A relativistic transformation of generalized coordinates is discussed and it is found that the first law of thermodynamics and the equation of state of an ideal gas are invariant with respect to the relativistic transformation of generalized coordinates , so that the existence of relativistic transformation of generalized coordinates is reasonable.

讨论了一个涉及热力学的广义坐标的相对论变换，发现热力学第一定律和理想气体状态方程对广义坐标的相对论变换具有不变性，表明广义坐标的相对论变换有其存在的理由

A special coordinates to describe the motion features of the linkages based on the generalized coordinates are proposed in this paper. And a structural method on the type synthesis of PKMs is introduced with the analysis on the linkages and the special coordinates.

针对并联机床的构型问题，研究了具有确定末端运动的并联机构支链，在此基础上进行了并联机构的构型研究，并进行了五自由度五轴并联机床的构型； 2。

In the relative coordinate method, the array of the generalized coordinates of the system is formed by the relative coordinates of all rigid bodies. The principle of virtual power and Newton-Euler equations are applied to the system, and arrive at a set of second order differential equations of the generalized coordinates.

在相对坐标法中，系统的广义坐标列阵由系统中各刚体的相对坐标组成，对系统应用牛顿-欧拉方程和虚功率原理，得到系统广义坐标的二阶微分方程组。

It is proved that arc coordinates of a directed curve cannot be used as ordinary coordinates or generalized coordinate s for the motion of an Appell-Hamel particle without a fixed orbit, but they can be used as quasi coordinates.

证明了弧长坐标 s在轨道未知的 Appell- Ham el质点运动中不能作为普通坐标或广义坐标，但可以作为准坐标，指出文献 [1]中引入弧长 s坐标的做法及"Appell- Ham el质点运动的轨迹是一般螺线"的结论是正确的，但其Appell- Ham el约束是完整约束及在该质点运动中 s坐标是广义坐标的观点是错误的。

By introducing the two dimensional homogeneous coordinates of an infinite point on Euclidian plane,the point coordinates and linear coordinates of an infinite point in straight lines,some theorems and conclusions referred to infinite points are applied in the classifications of structures in this paper.

引入了欧氏平面上无限远点的二维齐次坐标和直线上无限远点的点坐标及线坐标，引用了与无限远点有关的一些定理及结论于结构的分类中。从而给出了可变体系中的常变与瞬变在结构形式上的区别，完善了杆系平面结构几何组成规则的内容

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。

In contrast to the ubiquitous rising-sun-with-rays military flag of the Japanese, Chinese banners and ensigns feature a range of designs.

与遍地都是的太阳军旗不同，中国人的旗帜和徽章设计得各式各样。

From their small corner of Feng's Guangzhou headquarters -- a jumble of pink leashes, squeezable rubber steaks, and plastic doggy Santas for Fido's stocking -- Soleil's designers come up with at least five new products a month.

从Feng 设在广州总部的产品展示柜台上可以看到，Soleil的设计师每月至少设计出5件新产品。