查询词典 length of arc

Where l is the arc length opposite to αas a central angle ,r is the radius of the

如果半径为r的圆心角α所对弧的长为l，那么，角α的弧度数的绝对值是｜α｜＝l/r。

Ier curves of nine-degree and the arc length represented by the polynomial form are also obtained.

ier曲线精确表示的等距线和多项式形式的弧长表达式。

The central angle opposite to an arc of length equal to the radius is called an angle of 1 radian.

radian 长度等于半径长的弧所对的圆心角叫做1弧度的角。

The curve deformation with constant arc length constraint discussed in section one is a frequently encounted problem in the practice of computer animation.

第一节提出的基于弧长不变的曲线变形是动画制作实践中常常遇到的问题。

It is shown that the simulation results of welding current, arc length and wire extension agree with the experimental results in fillet joints.

实际焊接试验显示，模拟焊接电流与实际焊接电流波形高度吻合，说明建立的数学模型是准确的。

The principle of the self-regulating effect is that different heat production of cathode and anode make two cores length in the arc different.

在另外的文献[5]中也认为阴、阳极的能量不相等，但认为阴极压降较大导致在阴极产生的能量比阳极的多。

A radian is the angle subtended by an arc of a circle whose length is just equal to the radius.

一弧度就是长度刚好等于半径的一段圆弧所对的圆心角。

With the interpolation, resulting nearly arc length parameterized curve interpolatesa set of points of original curve.

最后，两个实例表明了近似弧长参数化曲线能很好地逼近原曲线，且没有所不希望的波动。

Some geometric data of ellipse in hyperbolic space are considered, such as set inclusion, arc length, geodesic curvature, curvature, area and total curvature.

摘要在双曲空间中，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。

By means of uniting geometry with algebra, the arc length, tangent line, cotangent space and curvature of curve in four dimensional space are investigated, and the corresponding calculation formula in each cases are given.

用形数结合的观点研究了四维空间中曲线的弧长、切线、法空间和曲率问题，并给出了其计算公式。

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