平面曲线

In the meantime the radius of curvative of the planar cam profile should be also tested in the synthesis of the planar cam mechanism.

另外，在平面凸轮机构的综合中，一般也要验算凸轮轮廓曲线的曲率半径。

The method for the motion regulation of the plate cam follower was provided on inverse design by use of given discrete point.

研究了从CATIA数字模型中获取平面盘形凸轮轮廓曲线上离散点坐标的方法，并以这些离散点坐标为依据，提出了反求机构从动件的运动规律的方法。

As an example of technical applications, the system designs of planarly moving curve-inear recoil and two-dimension recoil howitzers are introduced.

作为工程应用的实例，本文介绍了平面运动曲线后坐火炮及二维后坐火炮的总体设计并讨论了它们的优缺点。

Calder's stabiles are constructed of flat curving shapes of metal welded together and usually painted red or black.

考尔德的固定雕塑是将呈曲线形状的平面金属焊接在一起，而且常被漆为红色或黑色。

The problem of constructing the planar C^1 cubic PH splines is discussed.

讨论了平面上三次PH曲线C^1 Hermite插值问题。

With the increase of vibration frequency, the variation process of Jacobi matrix eigenvalue was calculated. According to the position of eigenvalue crossing the unit circle in the complex plane, the stability of fixed point of the map was discussed and the route from periodic motion to chaos via period-doubling bifurcation was received.

以振动频率为控制参数，计算得到映射Jacobi矩阵特征值的变化曲线，根据其穿越复平面单位圆的位置，分析了映射不动点的稳定性，获得了碰撞运动通过典型的倍周期分岔通向混沌的过程。

Because of Iandform limiting or the demand for overpass, the large-scale cloverleaf junction and urban trestle adopt the curved bridge becoming the curve on the level extensively.

在大型立交桥和城市高架桥中，因地形限制或跨线的需要，广泛地采用了平面上成曲线的弯桥。

The performance curves of the experimental fan have been obtained and the flow field has been measured at the best efficiency point of each setting angle, in fixed plane downstream the rotor with a constant temperature hot-wire anemometer and a periodic multisampling and averaging technique by an on-line microcomputer.

对轴流式通风机在不同安装角时的流场变化进行了实验研究，得到了通风机的总性能曲线；并用固定在转子前、后测量平面的热线，测量了最高效率点处不同安装角时叶片通道进、出口轴向和切向速度的分布，从而能够清楚地了解到，通风机在安装角变化时，叶片通道进、出口截面流动结构的变化。

The courses of facial nerve are rather complicated; it passes many anatomic structures such as middle ear, internal acoustic canal and mastoid portions. It is unlikely to show the whole course based on conventional transverse and coronal sections of CT. The present study used curved planar reformation to reconstruct the whole facial nerve course and surrounding anatomic structures in an imaging plane for check-up and screening of the facial nerve pathology.

因此本研究就是要利用曲线平面重组的模式，将整体颜面神经串连起来并把周遭的解剖位置表现於同一影像平面上，如此就能清楚分辨肿瘤的出处与侵犯之范围，好初步筛检颜面神经的病变，让有病变之病患可以做进一步的检查，此种将颜面神经於同一影像完整呈现的技术，也是目前磁振造影检查无法造影出的技术。

Based on the modeling theory of the equivalent probability density error model(marked as "Tepdem") and the numerical algorithm,this paper provides an approach on how to ascertain a point location with the highest coordinates precision between both of the adjacent characteristic points on a generic curve accurately by use of the theory of function extremum as well as the iterative algorithm,and it also provides the method on how to obtain the least width of "Tepdem" exactly,from which,the explanation of geom...

基于等概率密度误差模型建模原理和数值算法，运用函数极值理论和迭代方法来求解平面一般曲线上两相邻特征点间位置精度最高的点，以精确确定误差模型的最小带宽，从理论上给出等概率密度误差模型的几何特征，从而进一步完善矢量GIS的位置不确定性理论。通过实例计算与可视化分析，验证了理论推导的正确性。

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