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圆弧     
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  arc
     Calculations for Semi-Circular Arc Type Corrugated Tube-Applications of the Theory of Slender Ring Shells
     半圆弧波纹管的计算──细环壳理论的应用
短句来源
     DESIGN OF ARC TRANSDUCER ARRAY WITH HEART-SHAPED DIRECTIVITY
     高频心形指向性圆弧换能器阵的研制
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     ON ARC AND BIARC CURVE APPROXIMATION
     曲线的圆弧逼近与双圆弧逼近
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     The Finite Element Analysis of the Root Stress of Gear Teeth with Stepped Double Circular Arc Profile of H-Ⅱ Type
     H—Ⅱ型分阶式双圆弧齿轮齿根应力的有限元分析
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     The Design of The Involute-circular Arc Gearing
     渐开线—圆弧齿轮传动设计
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  circular arc
     Discussion on Circular Arc Programming about CNC Lathe Sinumerik-802s
     关于数控车床Sinumerik-802s系统圆弧编程探讨
短句来源
     It is explained that the joint of a bicircular arc determined by three points P0,P1,P2may be represented by control points and its path is a circular arc with radius andits center is on the perpendicular bisector of, where θ1, and θ2 are the bottomangles of the △P0P1P2).
     阐明了由三点P0,P1,P2确定的双圆弧的连接点可用控制点表示,其轨迹是圆心在P0P1中垂线上,半径为的圆弧是(l=|P0P2|,θ1,θ2△P0P1P2的底角)。
短句来源
     The analysis method and model of the dynamic contact stress of double circular arc gears were established based on flexible rims and ANSYS/LS-DYNA software,and the factors affecting the dynamic model establishment was analyzed.
     基于柔性轮缘和ANSYS/LS-DYNA建立了双圆弧齿轮动态接触应力的分析方法和模型,分析了影响动态模型建立的因素。
短句来源
     A Study of Contact Stress of 67 Type Circular Arc Gear
     67型圆弧齿轮接触应力研究
短句来源
     The Research on Approximation Algorithm for NURBS Curves with Line and Circular Arc in NC
     NURBS曲线的直线与圆弧数逼近算法研究
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  arcs
     It was indicated that, according to splitting and elongating of electron diffraction spots of α phase along circle arcs weakening of the coherency between α′ phase and α phase occured during the aging, but the orientations of 〈001〉,〈111〉 or 〈011〉 of α′ phase remained to be roughly parallel to the same directions of α phase for a long time.
     电子衍射斑点沿圆弧分裂和拉长,这表明α′相开始脱离与α相的共格关系,但在长时间内两相仍有〈001〉、〈111〉或〈011〉等晶向大体平行的取向关系。
短句来源
     The approximation method of a curve is presented with three circular arcs which have R1, (R1 +R2)/2, R2 as radius of circles, and its error is estimated and analysed in detail. Anumerical example is given to verify the feasibility of this method.
     提出了以R1、(R1+R2)/2、R2为半径的三圆弧逼近方法,详细分析并估计了三圆弧逼近的误差,并给出了一个数值例子来验证此方法的可行性。
短句来源
     A practical algorithm for approximating explicit parameter curve with circular arcs
     显参数曲线的实用圆弧逼近算法
短句来源
     Reconstruction of G~2 Transition Curve for Two Separated Circular Arcs
     平面两圆弧相离情况下G~2连续过渡曲线构造
短句来源
     The Statistic Algorithm of Straight Lines and Arcs Vectorization
     直线及圆弧矢量化的统计算法
短句来源
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  circular arcs
     The approximation method of a curve is presented with three circular arcs which have R1, (R1 +R2)/2, R2 as radius of circles, and its error is estimated and analysed in detail. Anumerical example is given to verify the feasibility of this method.
     提出了以R1、(R1+R2)/2、R2为半径的三圆弧逼近方法,详细分析并估计了三圆弧逼近的误差,并给出了一个数值例子来验证此方法的可行性。
短句来源
     A practical algorithm for approximating explicit parameter curve with circular arcs
     显参数曲线的实用圆弧逼近算法
短句来源
     Reconstruction of G~2 Transition Curve for Two Separated Circular Arcs
     平面两圆弧相离情况下G~2连续过渡曲线构造
短句来源
     Circular arcs interpolation algorithm on NC
     数控圆弧插补算法
短句来源
     The Application of Approximating Several Circular Arcs to the Ellipse Curve
     “圆弧模拟非圆曲线”在生产实际中的应用——椭圆型冲头的数控加工技术
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  arc
Let Γ be a smooth compact convex planar curve with arc length dm and let dσ=ψ dm where ψ is a cutoff function.
      
The circulant digraphDCn(S) is a directed graph with vertex setZn and arc set {(i,i+s): i ∈ Zn, s ∈ S}.
      
ThenCn(S) is arc-transitive if and only if Xoacts transitively onS.
      
A packing of the complete directed symmetric graph DKv with m-circuits, denoted by (v,m)-DCP, is defined to be a family of arc-disjoint m-circuits of DKv such that any one arc of DKv occurs in at most one m-circuit.
      
It is proved that there is no chaotic group actions on any topological space with free arc.
      
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  circular arc
In [3], a study was made of the generation and propagation of a wave from a bow front in the form of a circular arc.
      
Effect of non-equilibrium condensation of moist air on unsteady behaviour of shock waves around a circular arc blade
      
In the present study, the effect of non-equilibrium condensation of moist air on the self-excited shock wave oscillation on a circular arc blade was investigated numerically.
      
We consider a potential energy trough centered along a circular arc of radiusR.
      
We consider a problem for the Laplace equation in a circular sector wherein heat exchange takes place on the sides of the sector in accordance with Newton's law and a temperature distribution is specified on the circular arc.
      
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  arcs
Consideration is given to the probabilistic ow network whose arcs fail independently with the given probabilities.
      
The arcs of the embedded diagnostic graph constitute composite interconnection channels between the nonadjacent tested module and the testing processing modules of the system.
      
A variational problem is formulated and extremal thrust arcs are described.
      
Papers containing results of analytical investigations on thrust arcs are reviewed in depth.
      
The trajectory consists of line segments and circular arcs.
      
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  circular arcs
The trajectory consists of line segments and circular arcs.
      
"Extremal" nozzles designed by variational methods in the absence/presence of internal shocks (I), so-called "truncated" nozzles with a uniform characteristic (II), and nozzles designed by the method of conjugate circular arcs (III) are considered.
      
The thrust characteristics of nozzles designed by the method of conjugate circular arcs for both inviscid and viscous flow are inferior to those of extremal nozzles by 0.7-1%.
      
The end field is formed with the help of wire sections in the form of straight lines and circular arcs, which permits an accurate control of geometrical dimensions.
      
The use of the method is exemplified by calculating the characteristics of a gas-drop flow in curved channels in which the generatrices of the lateral surface consist of circular arcs.
      
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