查询词典 spherical angle

The results show that spherical wave reflection coefficients not only have relation with incidence angle, but also are influenced by seismic frequency and reservoir depth.

结果表明，球面坡反射系数不仅与入射角度有关，还受地震子波频率和储层埋藏深度影响。

The quantitative measurement parameters included:(1) Anterolateral acetabular lip angle, ALAL,(2) Lateral acetabular inclination, LAI,(3) Transverse rotation of the acetabulum, TRA,(4) Spherical index of ossification center of the femoral head,(5) Diameter of ischium in acetabulum center.

在三维图像上，测量髋臼前外侧缘倾斜角、面髋臼上缘倾斜度、臼横向旋转角、骨头骨骺核球形指数，在横断面图像上测量髋臼中心坐骨的厚度；定性观察：根据髂骨部分髋臼上缘的病理变化，把所有异常侧髋臼分为两组，轻型缺损：髋臼上缘清晰可以辨认，重型缺损：髋臼上缘模糊不能辨认，或形成假臼。

Based on Fermat's theorem, the law of reflection and refraction is obtained, and the geometrical ray tracing method of reflected light is introduced. In response to geometric optics rainbow theory and Airy rainbow theory, the relationship formula of the N-order rainbow angle with the refraction index and the Airy peak value position formula are derived, and the physics causation of the first order rainbow are discussed and analyzed in detail. The distribution properties of the first and second order Airy structures of spherical particles are calculated.

利用费马原理推导了反射和折射定律，以反射射线的跟踪为例介绍了几何光学射线跟踪方法的推导过程；根据几何光学彩虹理论和Airy理论，推导了N阶几何光学彩虹角与入射角和折射率的关系及Airy峰的位置表达式，详细阐述了一阶彩虹形成的物理原因，计算了球形粒子的一、二阶Airy分布。

As a result of this study,it is concluded that the key element for a practical parallel machine tool design is to make sure that the maximin swinging angle of spherical beating is greater then 40°.

研究结果表明，并联机床实用化须解决的主要问题之一是：球铰副的极限摆动角φlim至少应40°。

The computation of reflection coefficients based on spherical wave is more reasonable than that based on plane wave near the critical angle.

在临界角附近，基于球面波理论反射系数计算结果较基于平面波理论更为合理。

By means of spherical graphics and plane trigonometry, space angle and space point coodinates are calcullated for three sets of combined fixture s as examples.

运用球面图法及平面三角法，计算了三种组合夹具实例的空间角度及空间点的坐标。

By means of spherical graphics and plane trigonometry, space angle and space point coodinates are calcullated for three sets of combined fixtures as examples.

运用球面图法及平面三角法，计算了三种组合夹具实例的空间角度及空间点的坐标。

The numerical results show that the laser DSS of the moving spherical particle is tightly connected with its speed and scattering zenith angle.

结果表明：运动介质球粒子的激光雷达微分散射截面与粒子的速度和散射天顶角有关，当粒子做低速运动时，由于运动对粒子的激光散射产生的影响可以忽略。

The method of controlling the maximum incident angle is used to control the spherical aberration and to get symmetrical illumination while designing the system.

在优化设计过程中，采用了限制光线最大入射角的方法，达到控制投射系统的球差和保证接收屏上照明均匀的要求。

The converse method is used to determine the parameters in the design of the parallel machine tool,which allows the use of maximum range of machine varibales(e.g.swinging angle of spherical bearng)within their limits.

机床设计参数的确定采用逆向设计法，充分利用了已有机床部件的极限参数。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。