So, the usual notation that we will have is for arc length.
通常我们用符号s来表示弧长。
Well, so in particular, how do you relate arc length and time?
尤其是你怎么把弧长和时间联系起来？
So, the next concept that I want to define is that of arc length.
接下来我想介绍一下弧长。
Actually, maybe you want to say that the arc length increases and then decreases along the curve.
也许你会说，弧长在曲线上增长了，又减少了。
And, what it does is it actually integrates the speed of the time to give you the arc length along the trajectory of the car.
对速度做积分,告诉你车在轨道上走的弧长。
Post buckling analysis was traditionally conducted by arc length method.
结构后屈曲分析传统上都是采用弧长控制法来处理。
This paper presents an interpolation methods for nearly arc length parameterization of parametric curves.
本文提出了参数曲线近似弧长参数化的一种插值方法。
In this paper, a numerical method is presented for nearly arc length parameterization of parametric curve.
讨论参数曲线近似弧长参数化的数值方法。
Newton Raphson method is used to solve the non linear equations piloted in displacements or in arc length.
非线性方程采用位移引导或弧长引导的牛顿-拉夫森增量迭代法求解。
As long as the precise sensing a meridian arc length, we can easily calculate the circumference of the earth.
只要精确测知一段子午线弧长，便会很容易地计算出地球的周长。
Therefore, the control of the stability of the arc length is meaningful for the welding quality and productivity.
因此控制焊接电弧弧长的稳定性，对保证焊接产品的质量和提高劳动生产率都有重要的意义。
According to the principle of calculating meridional arc length, a novel practical formula is given in this paper.
根据子午线弧长的计算原理，推导出一个新的子午线弧长计算实用公式。
The arc length was taken as the manipulated quantity in the system and the peak current width of welding pulse was varied.
该系统以弧长作为操作量，改变每个周期的脉冲峰值电流的宽度，以达到对焊接弧长控制的目的。
In case of different droplet - transfer forms, fuzzy control schemes of arc length and short - circuit frequency are put forwords.
在不同的熔滴过渡形式下，提出了弧长和短路频率智能模糊控制方案。
This paper puts forward some practical formulae of measuring the area and arc length of arch form, and analyses the relative error of these formulae.
文章提出弓形面积和弧长计量的实用公式，并分析了该公式的相对误差。
Experiments show that this system has high adaptability to disturbance of arc length and guarantees the stability of welding process even in deep grooves.
实验表明，该系统对弧长扰动有较强的适应能力，可在深坡口中稳定焊接。
Some geometric data of ellipse in hyperbolic space are considered, such as set inclusion, arc length, geodesic curvature, curvature, area and total curvature.
在双曲空间中，考察椭圆的包含关系，对弧长元素、测地曲率、曲率、面积及全曲率等几何量做出细致考察。
The solution of arc length of sectional ellipse for geodetic problem, which is based on the direct algorithm of meridian arc length is introduced in this paper.
介绍了利用子午线弧长的直接算法来解算大地问题中截面椭圆弧长的一种直接解法。
The hardware of the system comprises the five sub-systems, i. e. welding power source, arc length controller, welding wire feeder, welding head traveller and detector.
此系统的硬件主要包括五个子系统，即：焊接电源、弧长控制器、送丝机构、焊矩行走机构和检测机构；
The experiment show that wire extension and arc length can influence the stabilization of welding process and the welding-seam modeling when using fuzzy-expert system .
试验中发现，采用模糊专家控制系统对焊接过程进行闭环控制时，焊丝干伸长及电弧弧长对焊接过程稳定性和焊缝成型有重要影响。
Because arc length of trajectory is regarded as the variant in geodesics based method, it possesses the advantages of non-time based trajectory planning at the same time.
本文的基于测地线的轨迹规划是以轨迹弧长作为参考变量的，因此它还具有非时间参考的机器人轨迹规划的优点。
The critical factor causing the arc length fluctuation to affect the input heat power to the anode proves to be the phenomenon of the current dispersion in plasma arc itself.
文中指出，弧长波动影响阳极输入热功率的重要因素是等离子电弧本身存在着电流分散现象。
Simulation results showed that under conditions of small arc length and high noise, which often occur in practice, the approximate maximum likelihood estimator performs well.
模拟结果表明，在小弧长和高噪声的条件下，这种新的估计器性能优良。
In this paper, we study the multiple attribute shortest path problems with fuzzy random arc length, which has three attribute: distance, transportation time and transportation cost.
在本文中，我们研究具有模糊随机弧长的多属性最短路问题，即每条弧有三个属性：路程、运行时间、运行费用。
The saw cutting direction directly affects the pressed wall thickness, the contacting arc length between saw disc and pipe has direct ratio to the cutting circumference force through analysis.
分析认为，锯切方向直接影响着管壁的受力状态，锯片与管子的接触弧长和锯切圆周力成正比关系。
Formerly the arc length error for the insulation resistance instrument is defined by scale arc length. At present national standard determines that the percentage of indicated value expresses it.
绝缘电阻表以前是按标度尺弧长定义的弧长误差，现行国家标准规定以指示值的百分数表示。
The effects of cutting area, contact arc length, the geometry of cutting face, back dip angle of PDC cutter and rock performance on force of PDC cutter breaking rock were simulated experimentally.
试验模拟了切削面积、接触弧长、切削面形状、切削齿后倾角和岩石性能对PDC切削齿破岩受力的影响。
弧长调节功能。
You should try a Nonlinear analysis, possibly with Arc length control method.
应该试一下非线性分析，可能要用弧长控制法。
A numerical model based on the finite element method incorporating an arc-length algorithm for nonlinear full-range analysis of UPC beams was developed.
建立了基于有限元方法并结合一种弧长算法的适用于UPC梁非线性全过程分析的数值模型。
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