查询词典 radius vector

The inverse radius vector transform is applied in this paper to change the boundless space into a bounded domain,so that the finite element method can be used in computing electromagnetic fields with open boundaries.

目前，在电磁场数值分析中，有限元法得到了广泛的应用，但一般都认为有限元法适用于有界空间中的电磁场问题，这是因为对于无界空间中的电磁场问题，方法的直接应用存在着一定的困难。

The moment of a force; the measure of a force's tendency to produce torsion and rotation about an axis, equal to the vector product of the radius vector from the axis of rotation to the point of application of the force.

转矩，力矩一种测量产生扭转和绕轴旋转趋势的力的单位，等于从旋转轴到力作用点的旋转矢量

The radius vector error and polar angle error are used to describe the scroll involute error.

并采用极角误差以及向径误差来描述线型误差。

Either of two coordinates , the radius vector or the polar angle , that together specify the position of a point in a plane .

极坐标：两个坐标中的任一个，向量径或极角，共同用以确定平面中一点的位置

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。

Based on Lissajou figures, using radius vector deviation to express figure form deviation, the relation between radius vector deviation and signal waveform parameters is analyzed.

以Lissajou图形计算法为基础，用向径偏差来表征图形形状偏差，分析了向径偏差与信号波形参数之间的关系，设计了编码器动态细分误差快速评价系统。

The system can get the signal waveform parameters from the harmonic components of radius vector deviation, plot a curve of interpolation error by delivering magnified moiré fringe photoelectric signal to computer with digital acquisition board.

该系统可以利用数据采集卡，将放大后的莫尔条纹光电信号送入计算机，由向径偏差的谐波成分得到信号波形参数，绘出细分误差曲线。

Case-Based Reasoning; ocean eddy ; case representation ; case library ; Radius Vector Serial Based on Barycentre; spatial similarity

案例推理；海洋涡旋；案例表达；历史案例库；重心矢径序列；空间相似性

The measured indexes include 10 members: the radius vector of sagittal spinal canal, the interligamentous diameter, the spinal canal cross-sectional area, the thecal sac cross-sectional area.

测量指标包括：矢状位椎管径矢、韧带间径、椎管面积、硬膜囊面积。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。