状态坐标

A method of moment features testing components' states is put forward to solve this problem.First the components' barycentric coordinates and second-order centered moments are calculated.Then the inclined angles are obtained,on the basis of which the inclined components can be rectified.

针对这一问题，提出了一种矩特征检测构件状态的方法，该方法首先计算出图像中构件的质心坐标和二阶中心矩，然后求出构件的倾斜角度，根据倾斜角对处于倾斜状态的构件进行校正。

Based on the flaw of the probability reliability model in the case of small amount of information,non-probability and mixed probability/non-probability reliability models are presented. When the uncertainty of the basic random variable is described by convex, analytical and numerical methods are constructed to calculate the convex of response variable. The infinite norm index, which is the minimal infinite norm distance from original coordinate point to the surface of the limit state in the standard interval space, is presented to measure the safety of the structure.

针对概率可靠性模型在小子样信息下的缺陷，建立了非概率可靠性模型及概率—非概率混合可靠性模型；给出了用集合来描述变量不确定性时，极限状态变量变化集合的解析解和数值迭代解法；提出了物理概念明确且十分易于工程应用的度量结构、机构安全程度的无穷范数指标，它是标准区间空间中坐标原点到极限状态表面的最小无穷范数距离。

A dialog box with status bar procedures, in the status column can display the current coordinates of the mouse and computer time.

一个带状态栏的对话框程序，在状态栏里能够同时显示当前鼠标的坐标和计算机时间。

Grasp and understand terminologies and concepts of Engineering Thermodynamics, such as thermodynamic system, state property, equilibrium state, state properties diagram, equation of state, quasi-static process and reversible process, etc.

理解和掌握工程热力学中的一些术语和概念：热力学系统、状态参数、平衡状态、状态参数坐标图、状态方程式、准静态过程、可逆过程等。

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

The numerical approach consists of an operator split technique,which transforms the elastic-plastic problem into a purely elastic problem and a residual problem with prescribed eigenstrains.

针对接触表面变曲率的特点，引入局部坐标系，构造出局部坐标下残余应力应变场的分布状态，建立了变曲率连续啮合过程中安定状态残余应力的计算方法。

Based on the elastoplastic theory and test data under the plane strain condition, it is assumed that the relationships between the principal stresses in plane strain direction and those in the other directions are bilinear.

建议的主应力关系体现土体在平面应变条件下的变形机制，在b-R坐标内通过3个关键点：初始点（1，1）、一维固结应力状态点、破坏应力状态点。

For the four laterals simply supported plate, the transverse deflection of plate is expanded over the modal shapes, the electroelastic model with self-sensing actuators plate is given, and the current is considered as output variable of measurement equation. Generalized modal coordinates being state variables, LQG and H∞control is proceeded using the state space equation.

将板的横向位移按模态展开，对配置压电自感作动器的薄板建立了模型，给出以广义模态坐标为状态变量的状态方程和以传感电流为输出的观测方程，在此基础上，对系统进行了LQG控制和H∞控制。

Methods: 12 fresh frozen adult leg-foot specimens were mounted in a coordinated system, a Steinmann pin was perforated across the calcaneus, cuboidcum, talus, and naviculare as markers. The displacements of the marked points in the coordinated system were recorded. Through matrix translation and Euler equation, the rotational angle of the calcaneus, cuboideum, talus, naviculare were calculated, which represented the motion of the calcaneocuboid, talonavicular and ankle joint in different condition respectively, while statistical analysis were also taken between different conditions.

取新鲜足标本12例，通过加载使足产生某种形式的运动，用三维数字化坐标仪测量距下关节组成骨在某种运动状态下的相对三维坐标位移，通过矩阵转换和求解非线性函数方程计算其三维旋转角度，确定距下关节的运动范围、规律和在足整体运动中的作用。

The low word is the x-coordinate, and the high word is the y-coordinate relative to upper left corner of the client area of the window. wParam indicates the state of the mouse buttons and Shift and Ctrl keys.

低位字是X坐标，高位字是y坐标，这两个坐标值是相对于关联窗口的客户区左上角而言的。wParam用于指明鼠标按钮shift键和ctrl键的状态。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了