degree of convexity

Convex modulus depicted overall degree of convexity of the unit sphere of spaces. It was very different for degree of convexity of each point that it would produce very great influence on the whole feature of the spaces.

凸性模刻划了空间单位球面的总体凸性程度，但是每一点的凸性程度都有很大的不同，这将会对空间的整体性质产生很大影响。

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Some important properties are proved for C-curves of degree five, such as convexity preserving and the variation diminishing ( V-D) properties.

在收敛性的基础上，还证明了五次C-曲线的一些重要性质，例如变差缩减性和保凸性。

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