Based on the results of the first step, the second step can finish the exact query process satisfactorily using dynamic segmentation index.
第二步根据粗略查询结果，利用动态分段索引完成精确查询。
Based on the results of the first step, the second step can finish the exact query process satisfactorily using dynamic segmentation index.
第二步根据粗略查询结果，利用动态分段索引完成精确查询。
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