基本解释：曲率弦
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Illustrating ellipse and sinusoid curves,the coordinate conversion and programming in the process of using macro command were stated.探讨了常见非圆弧曲线的加工方法,并以椭圆及正弦曲线为例,叙述了在使用宏指令加工过程中坐标值的数据转换及程序编制。
In this paper we discuss the representation of integral circle,cycloid and sinusoid on a period by uniform C-B-splines of degree 3.本文给出了整圆、一个周期上的摆线及正弦曲线的三次均匀C-B样条表示。
A digital frequency synthesizer without ROM look up table is presented,a piecewise linear interpolation scheme is used to approximate a sinusoid function.该方法使用具有分段连续的线性分段来近似正弦函数曲线的第一象限部分,根据正弦曲线的对称性,构成完整的正弦曲线。
Considering the sine curve as the primary equation of hydraulic geometry andsolving togather with continunity eqution of water flowing and other relative equations, depth, breadth and slope of sinuous channel have been deduced.选用正弦曲线的河床形态作为原生的河相关系式，与水流连续性等方程联解，导出蜿蜒型河道的河相关系式。
A real-time fast interpolation algorithm for hdical and sine curves based on the principleof time-slicing method is proposed.提出了一种基于时间分割法的带前加减速控制的螺旋线及正弦曲线的快速插补算法，并分析了其插补精度；该算法具有速度快、精度高等优点。
This paper discusses a method of synthesizing free curve and sine curve.本文提出自由曲线和正弦曲线合成的方法,通过调整正弦曲线的幅值和频率,改变合成曲线的形状,这种方法易于实现和分解,并可用于描述随机形状。
Static behavior of circular hollow section joints with curved chords;弯曲弦杆的圆钢管节点静力性能研究
Application Macro-program in NC Machining of Elliptic Cylinder Cam with Cosine Curve Spin Groove宏程序在加工椭圆柱凸轮余弦曲线旋槽的应用
Let's now examine the simplest wave form where the profile is a sine or cosine curve现在让我们来考察最简单的波形，它的剖面图是正弦或余弦曲线。
a wave whose waveform resembles a sine curve.波形类似正弦曲线的波。
Chord:a line segment that joins two points on a curve.弦:将两点用曲线连接起来的曲线段.
A line segment that joins two points on a curve.弦将两点用曲线连接起来的曲线段
The acosh() function returns the inverse hyperbolic cosine of a number.函数的作用是：返回一个数值对应的反双曲余弦。
The Solution of Surface Integral for the Velocity Field of Square Bar Drawing Through a Cosine Die余弦模拉拔方棒速度场的曲面积分解法
Double Focal Switch of Elegant Cosh-squared Gaussian Beams;复变量双曲余弦平方-高斯光束的双焦开关
Gradually, the separate sine waves have become visible.逐渐地，“正弦波”曲线出现明显的分离。
Nonlinear Analysis of Large Span Cable Structure Using a Tow-Node Curved Element;大跨度悬索结构正弦曲线单元几何非线性分析
Influence to Calculation of Dropper Caused by Variation of Tension Force of Wires and Ropes in Curve Section曲线区段线索张力变化对吊弦计算的影响
Chaotic Local Adding-weight Linear Forecasting Algorithm Based on Included Angle Cosine基于夹角余弦的混沌局域加权线性预测算法
sine-cosine resolver正弦－余弦解算装置
Influence of Turbulence on Propagation and Far-field Beam Quality of M×N Cosh-Gaussian Beams湍流对M×N列阵双曲余弦高斯光束传输和远场光束质量的影响
The waves are sinusoidal in nature, and they have an amplitude and a frequency.声波实质上是正弦曲线，它有振幅和频率。
analysis of a periodic function into a sum of simple sinusoidal components.周期函数解成简单正弦曲线之和的分析。
A linearization method to design biorthogonal cosine modulation (BCM) filter banks is proposed.介绍了一种用于设计双正交余弦调制滤波器组的线性化方法。
an orchestral version of a suite for strings由弦乐组曲改编的管弦乐曲
