查询词典 length of tangent

The ratio of the change in the angle of a tangent that moves over a given arc to the length of the arc.

在这个国家的某些地区一种不愿容忍变革的态度似乎是改变不了的。

The arc data interpolation error by secant, tangent and chord, and the smallest error by secant mode is analyzed in this paper. The relation between the maximum radial error and arc radius and approach step-length in the secant mode of arc data interpolation in CNC system is detailed.

在分析数控系统圆弧数据插补割线方式较切线、内接弦插补方式误差更小的基础上，讨论了数控系统圆弧数据插补割线方式中最大径向误差与圆弧半径和逼近步长的关系。

Of the change in the angle of a tangent that moves over a given arc to the length of the arc.

曲''。'率'。''切线通过给定弧线的角度变化与弧线长度之间的比率

2The ratio of the change in the angle of a tangent that moves over a given arc to the length of the arc.

曲率：切线通过给定弧线的角度变化与弧线长度之间的比率

In specific applications expression : in compressed natural language describes various examples of the basic algorithm, using MATLAB as a programming language, a series of the combined limit, the bonus points will be combined, one graphics area and the length of the horizontal curve equations, and curve tangent process, the rotary body size and shape combined several process issues.

在具体应用中的体现：以简练的自然语言描述了各实例的基本算法，运用MATLAB作为编程语言，实现了数列极限的求解、定积分的求解、平面图形面积及平面曲线长度的求解、求曲线切线的过程、旋转体体积的求解及其形成过程等几个问题。

Find the length of the tangent drawn from D to the circle.

求从 D 至圆 C 的切线的长度。

A sufficient length of tangent had better be placed between the reverse curves to facilitate the transition of superelevation .

10反向曲线间最好设置一段足够长的直线，以利于超高的过渡。

According to road designing data of mileage,coordinate,azimuth angle of tangent or straight line,curve radius,the length of spiral line from main point of curve or straight line starting point,we can calculate the coordinates of center line points and boundary line point s in any form of road under the same coordinate system.

根据线路设计资料提供的曲线主点里程、坐标、切线方位角、曲线半径、缓和曲线长度的已知数据，计算出任意线形的中桩、边桩在线路统一坐标系中的坐标，利用全站仪极坐标放样程序，以线路附近的控制点或加密点为测站，准确、快速放样各点。

The parameter equation, tangent, normal plane, the length of the arc, curvature, the basic equation of the spatial curve, torsion and the equation of the curve in flat surface etc.

为解决实际中各种空间共轭曲面问题，分析和评价各种传动装置的几何特性和传动性能，为探索新型的传动装置奠定基础。

Everyone was required to lake a full-length standing X-ray film of the lower extremity. The hip-knee-ankle angle, femorotibial angle and tibial plateau-tibial shaft angle were measured on their anteroposterior radiographs. while the posterior slope of tibial plateau was measured on their lateral radiographs based on three reference lines: anterior tibial cortex tangent line, tibial proximal anatomical ink acid posterior tibial cortex tangent line.

受试者拍摄下肢站立位全长X线片，并按要求测量髋－膝－踝角、胫股角和胫骨平台内翻角，再分别用胫骨中上段前侧骨皮质切线、胫骨中上段轴线和胫骨中上段后侧骨皮质切线作为参考线测量胫骨平台后倾角。

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