spherical curve

NECESSARY AND SUFFICIENT CONDITIONS OF SPHERICAL CURVE Analysis of the Distance between the Two Points on Spherical Surface

球面曲线的充要条件试论球面距离

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Based on the stereographic projection that preserves Pythagorean-Hodographs, a spherical rational PH curve is constructed to solve this problem.

基于球极投影保持PH性质这一特性，通过球极投影把球面数据投影到平面上，构造一条平面PH曲线。

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Properties of Jordan Curve and Topological Paradox in Spherical Surface Raster Space

球面栅格空间中的Jordan曲线性质及其拓扑矛盾分析

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The load-deflection curve of sandwich beams with spherical pore Al alloy foam core loaded in three-point bending and the four kinds of failure mode were investigated and the failure map of sandwich beams was founded.

根据球形孔泡沫铝合金三明治梁三点弯曲的载荷（P）-位移（δ）曲线研究了四种常见破坏模式并建立了破坏模式图。

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A new and simple proving method on the famous theorem of total torsion," The total torsion of closed spherical curve is zero", and two generalized theorems for the. theorem are presented in the paper.

本文给出了关于全挠率的一个著名定理：球面闭曲线的全挠率为零一个新的简单证法，并且给出了这个定理的两个推广定理。

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A PROOF AND GENERALIZATION FOR THE THEOREM OF TOTAL TORSION OF CLOSED SPHERICAL CURVE Using this method, the synthesis of spherical mechanism is converted into a problem of spherical curve fitting.

球面闭曲线全挠率定理的证明及推广将球面四杆机构函数综合和轨迹综合转换为位置综合问题，建立了球面四杆机构运动综合的统一理论与方法。

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First we give the characteristic property of a spherical curve, then we discuss the contact between the geodesic circle and the spherical evolute, and the properties of the spherical evolute.

首先给出了球面曲线的性质，然后讨论球面曲线与测地圆的切触和球面渐屈线的性质。

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Continuous blade curve of isobaric pital of spherical milling cutter

关于球头铣刀的等螺距连续刃口曲线

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Z value of the heaviest nucleus which are farthest away from steady curve is obtained by the nuclear energy formula of liquid spherical nucleus model, so the feasible range of nucleus existence can be confirmed.

利用原子核液滴模型的结合能公式得出了最重的原子核的Z值和偏离稳定线最远的原子核的Z值，从而确定了核素存在的范围。

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Applications of Ces ro Method on Spherical Curve

Cesaro方法在球面曲线上的应用

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This paper studies the necessary and sufficient conditions of spherical curve, and the results extends and improve some theorems of Ref. [ 4] and turn theorem 1.2 in Ref. [ 3] into corollary of theorem in this paper.

本文研究球面曲线的充要条件，所得结果发展和改进了文献[4]中一些定理，且使文献[3]中的定理1.2成为本文定理的推论。

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