查询词典 length of arc

In mathematics, the integral of a function of several variables defined on a line or curve that has been expressed in terms of arc length .

数学中，定义在直线或曲线上的多元函数的积分。

If the length of the arc ADB is equal

若弧ADB 的长

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。

Then, an improved method was proposed, which was obtained by a modification of neighborhood on the basis of classical ratio of arc to chord length, and the specific method of evaluation was provided.

结合弧比弦度量法与垂比弦度量法的优点，提出了一种改进的垂比弦度量方法，并给出具体的评价方法。

A quantity that has a limit or boundary.The limit of this ratio as the length of the arc approaches zero.

微积分学数学的一个分支，处理单变量或多变量函数的极限、微分以及积分问题

We use the waveguide simulation software BeamPROP? to analyze the effects of the Y-branch angle, the radius and central angle of arc waveguides, and the length of straight waveguide on insertion loss and nonuniformity.

采用光波导数值模拟软件BeamPROP~分析Y分叉角度、圆弧波导的半径与圆心角、直波导长度等结构参数对插入损耗与分光均匀度的影响。

With the an programming design of hardware and software, the problem of false regulation caused by dum-my signal is solved, and the automatic stabilizing of arc length during welding process in the designed range effectively is guarranteed.

经过硬件和软件的抗干扰设计，解决了因伪信号而引起的误纠差调整问题，有效地保证了弧长在焊接过程中自动稳定在所设定的范围内。

It is the product of the frictional force times the length of the leer arm; that is, the distance a gien point on the surface of the head moes during a gien arc of motion Fig.

摩擦扭矩是在负重髋关节作弧形运动时产生的，其大小为摩擦力与杠杆臂长的乘积，杠杆臂长即股骨头表面一点在一个运动弧内移动的距离（图7－10）。

Note that the burning surface area (represented by the arc length of the red lines in this figure) is continually increasing.

请注意，燃烧面积（代表弧长的红线，在这个数字）不断提高。

Because the error of arc length predicted from theoretical formula is mainly concentrated in x_0, its accuracy may be improved by correcting the calculation of this region.

发现了理论公式计算弧长的误差主要集中在x_0部分，从而指明提高理论解精度的关键在于校正此部分的计算。

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