查询词典 concave angle

At the peak point of backward swing, the vertical height from the center of the ball to the ground was 1.34 ±0.01 meters, the angle of the shoulder was 82 ± 2.5 degrees and the angle of the elbow was 161.35 degrees. During release, the vertical height was 0.13 ±0.01 meters, the angle of the shoulder was 48.00 ± 3.64 degrees and the angle of the elbow was 160.71 degrees.

所得具体结果如下：在后摆最高点时，球体中心点距地面之垂直高度平均为1.34 ±0.01公尺，肩关节角度为82 ± 2.5度，肘关节角度为161.35度；而在出手瞬间球体中心点距地面之垂直高度平均为0.13 ±0.01公尺，肩关节角度为48.00 ± 3.64度，肘关节角度为160.71度。

The theoretical and experimental investigations of discus flight indicate the following useful conclusions:the optimum combination of throw angle and discus inclination angle is 35°/26°at zero wind,while 45°is not the best release angle due to the aerodynamic force;different combinations of throw angle and inclination angl...

由于气动力的作用，45°并非铁饼的最佳投掷角度，实验和理论研究表明：无风时35°/26°的投掷角/倾角组合最佳；顺风和逆风投掷必须采用不同的投掷角/倾角组合才能获得当地条件下的最好成绩；铁饼出手时25r/s的自转速度已经可以满足稳定性的要求。

According to the functional requirements of adaptive front-lighting system, the relationships between the yaw angle and pitch angle of light axis in AFS and vehicle parameters, including speed, steering wheel angle and pitch angle of vehicle body are derived, thus a kinematics model for AFS is set up.

根据自适应前照灯系统的功能要求，推导了车辆参数（车速、转向盘转角和车身仰俯角）与车灯光轴沿水平和垂直两个方向的偏转角度之间的关系，建立了自适应前照灯系统的运动学模型。

The results show that the degassing efficiency increases with the residence time increasing;when other parameters are certain, the degassing efficiency increases with the number of arris and the concave depth increasing;the degassing efficiency decreases with the angle increasing.

结果表明：脱气效率随着滞留时间的增大而增大；当其他参数一定时，脱气效率随着棱数和凹入深度的增大而增大，随着角度的增大而减小。

The panel and back are flat, Guoqin body and inside the waist no concave angle.

其面板与背板都是平的，琴身腰部无角而往里凹。

The clip refers to the length and angle of the concave curve on the non-cutting portion of the point of the blade.

回形刀刃在刀尖的非切割部分采用的是凹曲线的长度和角度。

They are unevenly distributed along the retina, in the central retina and central macular area of about 3 □ concave angle exists only within the pyramidal cells.

它们沿着视网膜的分布是不均匀的，在视网膜中央的黄斑部位及中央凹大约3□视角范围内只存在着锥体细胞。

In this paper the natural boundary reduction for some elliptic boundary value problems with concave angle domains and its natural boundary element methods are investigated.

本文研究凹角型区域椭圆边值问题的自然边界归化及其边界元法。

Part II, the artificial boundary condition and its numerical methods based on natural boundary reduction for a hyperbolic initial boundary value problem in an infinite domain with a concave angle is investigated.

第二部分，研究一类具有凹角的无界外区域的双曲型初边值问题基于自然边界归化的人工边界条件及其数值方法。

Marc software, the two-dimensional simulation of isothermal extrusion forming process of globoidal cam was made. The influence of the different model cavity concave wedge angle a on the performance of filling billets was analyzed. It provided an important basis for the realization of cambered cam isothermal compression and the optimization of die structure.

用MSC。 Marc软件对弧面凸轮等温挤压成形过程进行了二维模拟，具体分析了不同凹模型腔楔角α对坯料填充性能的影响，为实现弧面凸轮等温挤压成形和优化模具结构提供了重要依据。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。