线性八叉树编码是一种有效的表示三维物体的方法。给出了线性八叉树的平移和旋转算法，它们都有线性的时间复杂性。

Linear octree encoding provides a effective way for tridimensional of objects. Algorithms for translation and rotation of linear octree were presented which have linear complexity in time.

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替代数据方法是判定时间序列中是否具有混沌特性的一种有效方法，本文介绍了该方法中一种基于关联维数的混沌判据。

The surrogate data technique is one of the effective methods to identify the chaos in the time series. In this paper, we introduce a kind of surrogate data method based on correlation dimension.

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局部线性嵌入(LLE)算法是有效的非线性降维方法，时间复杂度低并具有强的流形表达能力。

The Locaally linear Embedding (LLE) algorithm is an effective technique for nonlinear dimensionality reduction of high-dimensional data.

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