该方法减小了查找算法的平均查找长度。
编写函数，求查找成功时的平均查找长度(asl)。
Write a function, seeking to find the average successful search length (ASL).
该文设计了一种基于键树思想的SPDB组织方式和相应的查找算法，使平均查找长度大为缩短。
The article designs a kind of SPDB organization based on key tree and corresponding query algorithm, which makes average query length shorten a lot.
该文设计了一种基于键树思想的SPDB组织方式和相应的查找算法，使平均查找长度大为缩短。
The article designs a kind of SPDB organization based on key tree and corresponding query algorithm, which makes average query length shorten a lot.
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