查询词典 arc length

An incremental-iterative method based on the Newton-Raphson method combined with constant arc length of incremental displacement vector is employed for the solution of nonlinear equilibrium equations.

本文解非线性平衡方程式式的数值计算方法是基於牛顿－拉福森(Newton-Raphson)法配合弧长控制法的增量迭代法。

An incremental-iterative method based on the Newton-Raphson method combined with constant arc length of incremental displacement vector is employed for the solution of nonlinear equilibrium equations. The subspace iterative method is used for the solution of natural frequencies and vibration modes for the free vibration of beam structures.

本研究推导元素的节点惯性力时，先将元素扰动位移表示成当前固定元素座标的扰动位移和旋转之函数，故可直接求得元素的节点惯性力，元素的一致性质量矩阵可由元素节点的惯性力对元素节点的加速度微分求得。

This limit is called the line integral of f along C from A to B with respect to arc length; that is

时 ，该黎曼和有极限，该极限就叫做沿曲线从 A 到 B 对弧长的曲线积分。

In order to solve the problem of chart projection transformation among all projections in shiphandling simulator,using the theory of power series spreading out and the method of trigonometric power series calculating back, a direct and reverse solving algorithm models of meridian arc length , and Gauss projection and Mercator projection transforming algorithm are introduced in this paper.

为了解决船舶操纵模拟器中不同投影方式海图的投影变换问题，应用幂级数展开理论和三角级数回求方法，给出了子午线弧长、等量纬度的直接正反解算法模型及高斯投影与墨卡托投影的相互转化算法。这些算法具有非常高的计算精度，避免了迭代运算，在船舶操纵模拟器中得到广泛应

After the death of purgatory The great pyramid of khufu's four cant is on the east, south, west and north, error less than three points, the arc length 230 meters, the bottom layer due to the tower, now penciling limestone shorter for 227 meters, the Angle of 51 degrees 52 points.

胡夫大金字塔的4个斜面正对东、南、西、北四方，误差不超过圆弧的3分，底边原长230米，由于塔外层石灰石脱落，现在底边减短为227米，倾角为51度52分。

This paper introduces the basic principle of the calibration of pointing accuracy of electro-optic phototheodolite with the Star arc-length.

本文详细介绍了星体弧长法标定光电经纬仪指向精度的基本原理，对标定精度进行了分析，指出了影响其精度的因素，并对其应用到靶场的外场实时检测方法进行了探讨。

Further, each blade has, in the radial direction, a sweepforward wing portion situated on the boss side and exhibiting a positive advance ratio value, and a sweepback wing potion situated on the outer peripheral side of the blade and exhibiting a negative advance ratio value, with the arc length of each blade increasing from the boss side toward the outer peripheral side.

并且，叶片(4)具有轮毂侧的前进叶片部(2)和叶片的外周侧的后退叶片部(3)，前进叶片部在半径方向上具有前进率为正的值，后退叶片部具有负的值。

In the previous issue on the basis of the theory, structure based on the 8051 MCU EAF arc length waveform generator system, through a link on the waveform of the hardware and software to achieve a further wave of EAF the main circuit hardware simulation.

本课题在前人的理论基础上，构造了基于8051单片机的电弧炉弧长波形产生系统，通过对波形的发生环节的软硬件实现产生波形进而对电弧炉主电路的硬件进行仿真。

The moving boundary condition, arc-length inters transformation and linear interpolation method is used to control the density of the grids near the surface of the ship hull and within the computational domain.

计算表明，研究船舶作操纵运动时的水动力，考虑粘性边界层与不考虑粘性边界层的水动力计算结果有明显的差别，说明粘性对作操纵运动船舶水动力的影响比较明显。

Finally, the experimental results show that the approximation methods are correctness and effective. As an application, generating quasi arc-length parameterization of PH curves is also discussed.

最后通过具体逼近实例验证了文中算法的正确性和有效性，同时给出了它在PH曲线准弧长参数化中的应用。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。