查询词典 radius angle

The results show that due to the effect of laser beam quality on focal beam waist radius,focal angle and focal length,laser beam quality decides the beam focusing ability and the processing capacity of laser system.

结果表明，光束质量对聚焦光束的焦斑、聚焦角和焦深的影响不仅体现了激光源的可聚焦性，而且也标志了激光源的可加工能力，这是聚焦系统和焦点位置在选择过程中应该考虑的重要因素。

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The divergence angle is calculated based on geometry characteristics of two facula curves detected at the different positions to the laser. Facula curves are gained through scanning by two hemicycle probes which have different radius.

该方法以激光光束传输到不同距离处的2条光斑外缘曲线的几何特征为基础来求LD的发散角，而2条光斑外缘曲线分别由2个半径不同的半圆环探头的旋转扫描探测获得。

The effects of lamination angle,number of layers and radius-to-thickness ratio on the buckling pressure are analyzed.

分析了壳体的几何参数、铺层数、铺层角、半径厚度比值对失稳临界荷值的影响。

The design of the 3-dimensional trajectory in horizontal wells is an optimal control system where the state variables are azimuth, inclination and the control variables are radius, tool-face angle and length of curve.

水平井三维轨道设计是以方位角、井斜角为状态变量，以曲线半径、装置角、曲线段长为控制变量，以入靶精度等为性能指标的非线性多阶段最优控制系统。

The Moon's actual radius varies as a function of position angle and libration because of the irregularity in the limb profile.

月球实际半径根据其位置角度函数和缓慢摆动而变化，由于其边缘轮廓的不确定性。

To be specific,by means of changing inside dimension of concave,enlarging working volume of crushing cavity,shortening length of parallel zone of crushing cavity ,and limiting engage angle and radius of curv.

通过轧臼壁内侧尺寸的变化，扩大破碎腔的工作容积、缩短平行区长度、限定曲面啮角和曲面半径等，从而提高了破碎机的破碎效率，延长了衬板的使用寿命，改善了产品的粒度分布。

Preiss angle (P .0l ), for the stick pestle can complement the strength for correcting the broadenth of the cross radius of the calcaneus, and the plaster splints are strong enough to fix the ankle firmly at the metatarsus posture.

第二部分为生物力学的实验研究，采用电测法与三维光弹性实验，研究跟骨在中立位及不同角度的跖屈位时应力分布的规律，分析跟骨在不同体位时应力和位移情况，探讨跟骨骨折的发病规律及合理的治疗方法。

Firstly, full factorial experiment method is implemented to achieve an optimization of longitudinal microstructure design in the incidence plane of a LGP for LED BLUs. There are three control factors involving in the optimization process: the pitch and depth of both V-cut and U-cut, and angle and radius for V-cut and U-cut, respectively. Each individual control factor has three levels. It leads to a total of 27 sets of experiments.

本实验先行讨论全因子实验求取发光二极体背光模组之导光板入光侧纵沟微结构最佳化设计，选定入光侧V-cut纵沟微结构控制因子：V-cut角、V-cut间距、V-cut深及入光侧U-cut纵沟微结构控制因子：U-cut半径、U-cut间距、U-cut深等项目，其中各一因子分别有三个水准变化，依控制因子及其水准的目各进行27组实验。

By Visual Basic 6.0 program, taken the distance between hole 200mm and buried depth 120～150mm as the optimization goal, the most optimum parameters range of the mechanism was obtained as follows: the initial angle between planet frame and the line formed from spraying-fertilizer needle-tip and planet wheel axle was -45°～-40°, the initial angular displacement of planet frame was 40°～50°, the distance between spraying-fertilizer needle-tip and the planetary gear axle center was 280～300mm, simultaneously, the semi-major axis of elliptic gear was 29.364mm, the teeth quantity was 23, the ratio of semi-minor axes and semi-major axis was 0.958, the radius of circular gear was 25mm.

对该机构进行运动学分析，建立了数学模型，以穴距200mm和入土深度120～150mm为寻优目标，应用Visual Basic 6.0软件编程得出满足机构运动要求的最优参数范围为：喷肥针尖和行星轮轴连线与行星架的初始夹角-45°～-40°、行星架初始角位移40°～50°、喷肥针尖与行星轮轴心距离280～300mm，此时椭圆齿轮长半轴29.364mm、齿数23、短半轴与长半轴比0.958，正圆齿轮半径25mm。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。