直角的

Find the relation between the incident ray and the final reflected ray.

两镜子排成直角，求入射线和反射线的关系。

Constraint equations are derived to improve the original circle detection algorithm, which based on right triangles inscribed in a circle.

建立了条件约束方程组对基于圆内接直角三角形的圆检测算法加以改进。

An evaluating algorithm of maximum inscribed circle for roundness error in the Cartesian coordinates and a measurement model of roundness error is introduced in this paper.

介绍了一种在直角坐标系下利用最大内接圆法评价圆度误差的方法，建立了圆度测量模型。

If appear special triangle, wait like isosceles right-angled triangle or equilateral triangle, so the problem can apply special methodological processing.

假如出现非凡三角形，如等腰直角三角形或等边三角形等，那么新问题就能运用非凡的方法处理。

Confederate design; mill fit by hand; tig welded; mainframe:.120 gauge wall thickness dom carbon steel; 3" od backbone; 2" od down tube; 1 1/4" od cradle; 1" x 2 rectangular strut; elongated neck.

邦联设计；适合磨手；tig焊；主机：0.120了解dom的壁厚碳钢；3"外径骨干；2"外径管下来；11/4"外径摇篮；1"×2直角支撑；长脖子。

Finally,series of numerical experiments are made with the method mentionedabove.

最后，应用自适应叉树结构直角网格算法进行了一系列的数值实验。

Angles larger than a right angle but smaller than a straight angle are called obtuse angles.

比直角大、但比平角小的角称为钝角。

The connecting types of lamina papyracea and cribriform roof was right angle(3%), obtuse angle (44%) or acute angle(53%).

2纸样板与筛顶的连接方式有直角为3%，钝角44%，锐角53%。

"Mathematics on the corner there is an obtuse, straight angle, acute angle, right angle, the students, what angle ah?"

"数学上的角有钝角，平角，锐角，直角，同学们，还有什么角啊？"

Often splits Sports An acrobatic feat in which the legs are stretched out straight in opposite directions at right angles to the trunk.

常作 splits 劈叉：一种杂技动作，腿向相反的方向伸开，各自与身体直角

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。