本文证明了一致凸线性距离空间存在唯一的最佳联合逼近元。

In this paper, it is proved that in the uniform convexity linear metric space there exists a unique best simultaneous approximation element.

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针对如何快速求取空间点到STL模型表面有符号距离这一问题，提出一种基于线性八叉树的参考球方法。

For fast calculating the signed distance from spatial point to STL model, a reference ball method was put foward based on linear octree.

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相对于等距离线性插值算法，最佳非等距线性插值算法可以有效降低插值表的数据存储空间。

Comparing with the equidistant linear interpolation algorithm, the algorithm effectively reduces data storage space of interpolation table.

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