坐标

From combining internal force calculation with design detailing, some calculation simplifications and hypotheses are first presented, then a calculation method and corresponding formulas of internal forces for elliptical spiral stairs are derived.

采取计算与构造相结合的方法，进行必要的计算简化和假定，在椭圆形旋转楼梯的内力计算时，把固定坐标变换成动点坐标，推导相应的计算公式。

Stand at point X, sight along the X-Y on the map and turn the map until the line of sight point at Y on the ground. Your map is now oriented.

站在X点实际所在位置，让地图上X-Y的连线随着视线向Y的坐标方向转动，当视线指向Y坐标，而地图上的连线又与视线重合时，你的地图就能正确使用了。

The automatic balancing strategy based on alternate-coordinate optimization method and the rapid automatic balancing strategy based on the influence coefficient method are applied to the automatic balancing experiment of rotor with single plane, which reveals that alternate-coordinate optimization method is easy to use and safe to operate, and that the rapid automatic balancing strategy based on the influence coefficient method has high balancing precision and balancing efficiency.

应用坐标轮换寻优自动平衡策略和基于影响系数法的快速自动平衡策略对单面转子进行了自动平衡实验，结果表明，坐标轮换寻优法简单实用、操作安全，而基于影响系数法的快速自动平衡策略有较高的平衡精度和平衡效率。

And this paper researches projection ways of coordinate such as the Mercator projection, Lambert projection and linear projection to achieve the conversion of level rectangular coordinate by latitude coordinate and geography.

研究横轴墨卡托投影、兰勃特投影以及线性投影等其它坐标投影方式，实现地理经纬度坐标到平面直角坐标的转换，支持多比例尺地图。

To place a point at the x-coordinate of the right end of a line and the y-coordinate of the left end of a line.

在线的右端点的x坐标和线的左端点的y坐标放置一个点。

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。

Competition answer Machine in this paper use 8×10 keys and their X,Y data to confirm the respondents' location which express as different X-coordinate and Y-coordinate.

摘要本文抢答器利用8×10键坐标X、Y的不同来确定抢答者的位置，把抢答者位置分为横坐标和列坐标。

In order to be fit for the calculation of wave transformation in harbor basin with irregular solid boundary, the governing equations and the boundary conditions of the present model are transformed by a non--orthogonal coordinate. Comparisons with the theoretical solutions indicate that the transformation is correct.

其次对上述完全型波浪绕射折射控制方程及边界条件进行非正交坐标变换，以适应存在固体边壁的港内水域波浪传播变形计算，经与理论解的验证比较，本文采用的坐标变换算法是正确的。

We derived an approximate algorithm from geocentric to geodetic coordinates. The algorithm is very simple, but its accuracy can satisfied general geo-science research.

给出了一种由地心坐标到大地坐标的近似算法，这种算法非常简单，但它的精度可以满足一般地学研究的需要。

In order to reduce the effects of the force model errors on the coordinate solution, an extended Kalman filter has been proposed with short-arcs consisting of only a few consecutive passes of satellite over the tracking station.

为尽量减小力学模型不精确在站坐标解中带入的误差，本文采用推广Kalman滤波归算仅由单站二次卫星接续通过的测距资料以估计测站坐标的方法。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐