曲率半径

Based on the characteristics of transaction curve and parallel line,the calculation formulas of boundary line parameters and length are derived,providing theoretical support for higher grade highway design,and determination,as well as practical formula for calculation,also providing mathematics model for dealing with linear data which are obtained through road survey.

本文从讨论缓和曲线边线的性质着手，对缓和曲线的曲线长度与对应的曲率半径变化规律作了分析比较，证明了缓和曲线的平行线不再具备缓和曲线的性质，如果把边线仍当作缓和曲线处理则会引起路线宽窄的变化。

Mistakenly believe that doing elliptical motion of the satellite perigee and apogee of the orbit radius of curvature different.

错误地认为做椭圆运动的卫星在近地点和远地点的轨道曲率半径不同。

The key issue of the manufactory of pincushion 2D PSD is how to make boundary resistance match with the square resistance of sensitive area which is desired by the Gear theorem.

在制作工艺方面，制作枕型二维PSD的关键在于Gear定理的满足，即单位长度边界电阻应等于光敏区的方块电阻与边框曲率半径的比。

The kinematic analysis of a planar cam mechanism can be realiaed by the method that the higher pair is substitute for lower pair, and then it is equivalent to a planar linkage. The main point by the way is how to calculate the radius of curvative of planar cam profile.

对于平面凸轮机构的运动分析可以用高副低代的方法将其转化成平面连杆机构来进行，而高副低代后关键的问题是如何在书籍平面凸轮廓线的基础上求解凸轮的曲率半径。

For three different detected surfaces—concave, plane and convexity, the relevant finite element models of three-dimensional eddy current field problem have been built. The surface shape, curvature radius and lift-off variation effects on coil's reflected impedance have been analyzed.

针对3类检测表面，建立对应的三维涡流场问题的有限元模型，计算分析了检测表面形状、曲率半径大小以及提离变化对线圈反射阻抗的影响。

In addition to measure the refractive index profile of a GRIN lens, we also measure the refractive profile and radius curvature of a Plano-convex lens by means of this imaging ellipsometric technique.

本文将此简式影像式椭圆偏光术应用在非均匀平面材料光学参数之量测，及平凸透镜之量测；我们不但量出了渐变式光纤折射率的径向分布并证明其表面的平整度，另外也量出平凸透镜的曲率半径及折射率。此法可将椭圆偏光术延伸到曲面薄膜量测。

The experiment result shows that the system can realize high precision measurement for big curvature radii of optical spheres.

实验结果表明：设计的光学球面自动测量系统可以对大曲率半径光学球面实现高精度测量。

In the study, five models of impeller procedures and with different radii and angles were tests in two experimental procedures.

对离心泵的性能和消耗功率与叶轮曲率半径的关系进行了实验分析。

It is now necessary to introduce a sign convention for radii of curvature.

现在必须介绍曲率半径的正负号规则。

For testing this kind of surfaces with long radius of curvature,, a high accuracy method is put forward.

从而成功解决了大曲率半径面的高精度测量问题。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。