概括地讲，中国目前存在三种互有重叠思想派别。

Broadly, there are three overlapping schools of thought.

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例如，可以按照网格索引的思想，使用与几何图形重叠的一个网格单元的标识符。

For example, you could follow the idea of the grid index and use the identifier of a single grid cell that overlaps with the geometry.

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基于一种带窗重叠自适应滤波器，将重叠滤波思想引入LMS算法。

Based on a novel windowed overlapping adaptive filter, LMS algorithm with overlapping idea is introduced.

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