解决按距离搜索的一种方式是填充距离属性使用的编号。
One way to fix the searching-on-distance issue is by padding the Numbers used for distance attributes.
排序：根据到固定点的距离对搜索结果进行排序。
Sorting: Sort the results for a search by the distance from some fixed point.
由于两个比赛距离不同，所以基于距离执行搜索很合理，如清单 6 所示
With two races of difference distances, it makes sense to search based on distance, as shown in Listing 6
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