查询词典 radius

The results show that the seismic response of curved beam bridge and the influence of curvature radius can be reduced by using lead rubber bearing.

结果表明：铅芯橡胶支座不仅可以有效地降低曲线梁桥的地震响应，还有助于减少曲率半径对曲线梁桥地震响应的影响。

Fig.7shows the comparison of radius of curvature and cross-sectional deformed shape between the experiment and FE simulation.

图7所示为曲率半径和横截面形状在试验和有限元模拟中的比较。

Key points in connection with the design of the stabilizer bar were presented also.Finally the methods of determination of the radius of curvature of st...

还提出了横向稳定杆的若干设计要点，并介绍了根据横向稳定杆的应力有限元分析结果确定其弯曲处曲率半径的方法

The results show that the fighter with thrust vector have smaller radius, shorter time and better maneuver performance.

结果表明，作战飞机带推力矢量后，完成半筋斗和加力盘旋机动动作的空间减小，时间缩短，机动性能得到了提高。

The radius vector of each solid is always a positive length.

每个立体的矢径总是正值长度。

The results indicated that the radius vector of spinal canal is still a better index to diagnose central LSS, there is important value for the spinal cross-sectional area and thecal sac area.

研究发现椎管径矢仍是诊断中央椎管狭窄的良好指标，椎管面积和硬膜囊面积也具有重要价值。

A modified differential evolution algorithm was presented. In the proposed algorithm, the difference vector, which is employed in mutating each individual by simple differential evolution algorithm, was recorded. Each mutated individual was taken as the center of a neighborhood, the corresponding difference vector as radius.

提出了一种改进的差分演化算法，该算法记录下了差分演化算法在对每个个体进行变异操作时的差向量，然后以被变异的个体作为邻域的中心，以所记录的差向量作为邻域的半径，再在这个邻域内进行一次挖掘式的搜索。

First, a smooth curve is obtained from the data by curve fitting with the method of non-linear least squares fit. Then the tangent vector and the radius of curvature of each point on the curve can be calculated for the error evaluation. With the fitted curve, the focusing state of the aspheric lens can be obtained by the method of ray tracing.

主要过程为首先采用非线性最小二乘拟合的方法进行曲线拟合，并计算出曲线上各点的切矢量和曲率半径，分析它们的误差，最后对拟合后的曲线用光线追迹的方法得到非球面镜的聚焦情况。

The methods above are used in practical data-processing. The errors of the tangent vector, the radius of curvature and the focusing are obtained through curve fitting and ray tracing. Finally, the charts are ploted by the matlab emulation.

将以上方法用于实际数据的处理中，对一组透镜表面数据进行拟合、分析，最终得出透镜的表面形状误差、各点的切矢、曲率半径误差以及光线的聚焦误差，并用matlab仿真出曲线图。

Used as input vector of radius basis function neutral network, the wear debris shapes were divided into four classes: regular, irregular, circular and elongated.

然后以提取的形状特征为输入矢量，利用径向基函数神经网络对磨粒形状进行分类识别。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。