查询词典 circular arc

A circular arc of90=;one fourth of the circumference of a circle.

这些人患病的危险性不到他们的四分之一

Furthermore,some circular arc spline curves which have C~0 or GC~1 continuity are constructed.

该表示形式中没有权因子和额外的控制参数，而且具有几何不变性、仿射不变性等良好性质。

This paper also describes the conditions for ensuring two engagement lines with double concave-convex circular arc profile.

讨论了中心距偏差和切深偏差相互补偿问题。文中还讨论了双圆弧齿形保持双啮合线的条件。

An interpolation algorithm of circular arc in an arbitrary plane was provided, and its feasibility was verified using language C.

本文还提出了一种可插补空间任意圆弧的插补算法，并用C语言进行了可行性验证。

The resulting arc spline is shape|preserving, and has the same number of inflections with the original polyline;(2) The segment number of circular arcs is the same as that of data points.

这种算法具有以下 3个特点：(1)生成的圆弧样条曲线具有保形的特点；(2 )圆弧样条中圆弧的段数与型值点个数相同；(3)圆弧段之间的连接点不一定在插值的型值点上，这样就能用更多的自由度来控制拟合曲线的形状。

Since cross ratio is an invariant of the group of all Mbius transformations,and a Mbius transformation maps a circle into another circle, it is convenient to represent a segment of circular arc with a parametric complex rational function.

利用Mbius变换的保交比性质和保圆性质，给出了一种快速、简便地生成平面上的一段精确圆弧曲线的新方法。

Wave protection effects of circular arc wave walls and paraboilc wave walls are compared and analyzed,showing that curving wave walls are very effective in preventing overtopping .

文章中就圆弧型及抛物型曲面挡浪墙的防浪效果进行了对比，说明曲线防浪墙对阻止越浪是十分有效的。

4 Introduced a circular arc and the double clothoid curves in the vicinity of corners to obtain a smooth tracking motion in robotic applications.

2-4 介绍了圆弧和双clothoid曲线附近的角落获得顺利跟踪运动的机器人应用。

On the basis of seepage analysis, the most dangerous slippery arc slices and safety coefficients of Yanji earth rock-fill dam with clunch core is defined by running the Fortran procedure which use the Sweden circular sliding method. The results which satisfie the request of the standard indicate earth rock-fill dam stable.

在渗流分析的基础上，采用瑞典圆弧滑动方法，利用已有的Fortran程序，确定烟集粘土心墙土石坝的最危险滑弧条分及安全系数，计算得出的结果满足规范的要求，表明坝体是稳定的。

Mathematics: Understands and applies basic and advanced properties of the concepts of geometry; Use the Pythagorean theorem and its converse and properties of special right triangles to solve mathematical and real-world problems; Understands the basic concepts of right triangle trigonometry (e.g., basic trigonometric ratios such as sine, cosine, and tangent); Uses trigonometric ratio methods to solve mathematical and real-world problems (e.g., determination of the angle of depression between two markers on a contour map with different elevations); Uses properties of and relationships among figures to solve mathematical and real-world problems e.g., uses the property that the sum of the angles in a quadrilateral is equal to 360 degrees to square up the frame for a building; uses understanding of arc, chord, tangents, and properties of circles to determine the radius given a circular edge of a circle without the center

数学：理解和应用几何概念的初级和高级特性；用毕德哥拉斯定理、逆定理以及特殊直角三角形性质解决数学的和现实世界的问题；理解基本的直角三角形三角比；运用三角比方法解决数学的或现实的问题。（等高线图上的两个标记之间的俯角确定）运用形体之间的关系及其属性解决数学的或现实的问题（利用四边形内角和等于360度来为建筑物框架取正，运用弧，弦，切线和圆的性质确定缺少中心的一段圆弧的圆心

Eight cases of simple chordee of penis were adopted urethral extending.9 cases of severe simple chordee of penis were adopted primary urethroplasty.

8例单纯性阴茎下弯患者采取尿道延伸术，9例重度阴茎下弯患者采取切断尿道矫直阴茎一期尿道成形术。

She is a daintily dressed young lady.

她是个装饰娇艳的少女。