面坐标

When the axonometry projection plane is parallel to a coordinate axis, and the coefficient of axial deformation of two axes that parallel to the coordinate plane are equal, the cabinet axonometry is produced.

轴测投影面平行于一个坐标轴，且平行于坐标平面的那两个轴的轴向伸缩系数相等的斜轴测投影称为斜二等轴测图。

To assure parts' machining precision and to improve productivity, touch probe is used to inspect cylinder of parts on machining centers, thus coordinate of points on features are acquired from numerical control system by a data collecting program, and cylindricity error is calculated by computer. This method has broken the restriction of probe's macro processor that couldn't work out cylindricity error. Data saved in computer are beyond the limited memory of numerical control system, which improves operation speed.

为了保证零件加工精度和提高生产率，在数控加工中心中采用触发式零件检测测头对被加工件的圆柱面进行在机检测，并利用数据读取程序从数控系统内部提取被检测点坐标信息，在计算机内部完成圆柱度误差的计算，克服了零件检测测头自带宏程序无法对圆柱等被测特征进行误差运算的局限性；并且检测数据存储于计算机内，不再受数控系统内存小及运算速度慢的限制。

When the second surface integral is calculated and the integral surface has some coordinate plane symmetry, computation can be simplified according to the integral odevity.

在计算第二型曲面积分时，当积分曲面关于某个坐标面对称时，则可根据被积函数的奇偶性进行化简。

In order to improve display velocity, transform the seismic data to a 3-D two-valued image, trace the 3-D connected zone with ordered cross algorithm, thin the zone to get the coordinate of the reflection surface.

为加快显示速度，将一个三维地震数据体转换为三维二值图像，用有序扩展算法追踪同相面所在的三维连通域，细化后得到反射面的坐标数据。

Geometrically nonlinear strain-displacement relations, the total potential functions and equilibrium equations of the tires are derived with respect to the orthogonal curvilinear coordinates for details.

以轮胎的内轮廓曲面为参考面，用正交曲线坐标描述轮胎的几何变形，详细推导了正交曲线坐标系下轮胎的几何非线性的应变—位移公式和平衡微分方程。

The differential and integral reactive scattering cross sections for the H(superscript +)+D2(v=0, j=0) reaction have been studied by a coupled-channel hyperspherical coordinate method in an ab initio potential energy surface.

基于ab initio势能面，用耦合通道超球坐标理论研究了碰撞能等于0.5eV时H+D2(v=0， j=0)的积分，微分截面。

Using finite partition FEM, the material nonlinearity of 2D-beam structure was also considered. Combined with the incremental iterative method and are length method, a program for the geometric and material nonlinearity analysis of 2D-frame structure was complied.

坐标下的所有有限元列式，并采用有限分割有限元法分析结构的物理非线性，结合荷载增量法和柱面弧长法编制了相应的平面杆系结构几何、物理双非线性有限元分析程序。

Property:In general, surface force is the function of located coordinates at point in the surface of the object.

2性质：面力一般是物体表面点的位置坐标的函数。

First, based on phased array antenna's mono-pulse goniometry and separate coordinate technology about phase control, the antenna beam pointing error formula, caused by phase quantization error, is derived from linear array and circular array to planar array and cylindrical array.

首先以单脉冲相控阵天线测角原理为基本理论出发点，利用相位控制的坐标分离技术，基于线阵、圆形阵等简单形式的相控阵天线，推导了平面阵、圆柱面阵等相控阵天线由相位量化误差引起的波束指向误差公式。

The basic worm helicoid surface of sphericity hob was deduced, and the coordinate systems for cutting face gears were established.

推导了球形滚刀基本蜗杆螺旋面方程，建立了滚切面齿轮的坐标系统。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。