设计中存在的主要问题包括隐层神经元数、中心和半径的确定，以及网络权值的训练。
The main problems in designing a RBFNN depend on fixing the nodes of the hidden layer, the parameters of the centers and the linear weights.
如果你以北极点为中心开始画圆，那么半径和半个子午线相等的圆周就是赤道，它包含的区域就是北半球。
If you start from that North Pole as centre, then the circle with radius equal to a half meridian is the equator, and the area included is the northern hemisphere.
给出了非圆齿轮的节曲线极坐标方程，两齿轮中心距的计算方法，节曲线长度、基础圆半径和压力角的计算公式。
The polar equation of non-circular gear pitch curve, calculation method of center distance, formula of pitch curve length, primary circle radius and pressure Angle is given.
并且对仿真得到的滚弯半径与中心辊下压量的曲线和试验得到的曲线进行了比较。
Compare the curve which is the relation ship of bending-radius and the center roll decent quantity from the simulative results with the curve from the experiment results.
确定了非圆齿轮的基本参数：基础圆半径、偏心率、变形距和中心距比例系数。
The basic parameters of non-circular gear are determined, such as primary circle, eccentricity ratio, eccentricity throw and proportional coefficient of center distance.
地点：两个和一个半半径指宽以上尺骨骨中心的两个手腕折痕前臂外的中途岛之间。
Location: two and one-half finger widths above the center of the wrist crease on the outside of the forearm midway between the two bones (ulna and radius).
两个和一个半半径指宽以上尺骨骨中心的两个手腕折痕前臂外的中途岛之间。
Two and one-half finger widths above the center of the wrist crease on the outside of the forearm midway between the two bones (ulna and radius).
在计算机视觉和图像处理中，经常需要根据圆孔或圆弧的图像求取其中心坐标和半径等特征参数。
In the filed of computer vision and image processing, the characteristic parameters such as the center coordinates and radius of circle and arc parts often need to be measured by their images.
在数控技能大赛中轮廓倒角和倒圆角的宏程序编制方法有两种：刀具中心轨迹编程和刀具半径补偿编程。
It describes the process of filleting contour in programming with the tool center track and tool radius compenstration.
还可以观察到第一和第二氧化过程的半波电位与中心金属的离子半径呈线性关系。
The half-wave potentials of the first and second oxidations and first reduction for double-deckers of the tervalent rare earths are dependent on the size of the metal center.
每个中心站管理控制半径在80公里左右，对行车和维修全部负责。
Each of these stations will be totally responsible for the trains' running and maintenance in an area within a radius of 80 km.
每个中心站管理控制半径在80公里左右，对行车和维修全部负责。
Each of these stations will be totally responsible for the trains' running and maintenance in an area within a radius of 80 km.
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