该算法实现简单且速度快，另外能够有效地支持细节层次模型的表示。

The implementation of the algorithm is simple and fast, it also supports the level of details model efficiently.

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实验结果表明，该算法具有实现简单，速度快的特点，能有效地支持细节层次模型的表示。

The result of the experiment demonstrates that the implementation of the algorithm is simple and it runs fast, it also supports the level of details model efficiently.

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层次索引模板通过一组常驻显存的索引缓存序列，隐式地表示地形块细节层次。

It represents terrain blocks detail levels by using an index buffer sequence, which resides in video memeory.

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